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BESSEY DUO45-8, 18 In. DuoKlamp Series, One Hand Clamp/Spreader

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4.3 446 ratings

Amazon's Choice in Bar Clamps by Bessey

$26.75 with 28 percent savings

List Price: $37.08

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Size: DUO45-8

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Purchase options and add-ons

Brand	Bessey
Item dimensions L x W x H	14 x 7 x 4.67 inches
Color	Black
Style	Ergonomic
Tensile Strength	260 Pounds

About this item

Changes from clamping to spreading with a quick twist of a dial
Only reversible clamp that does not require some degree of disassembly to change direction
Ergonomic handle with pump lever configured parallel to the rail for balanced, safe handling
Quick press of a button allows the clamping arm to quickly slide up or down to clamping position
Large polyamide parallel jaws facilitate clamping on all four edges

› See more product details

Customer ratings by feature

Sturdiness

5.0

Durability

4.6

Easy to use

4.2

Value for money

3.8

See all reviews

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BESSEY EHK SERIES - 600 lb Clamping Force - 24 in - EHKXL24 Trigger Clamp Set - 3.625 in. Throat Depth - Wood Clamps, Tools,

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From the manufacturer

About Us

The guiding principles formulated in the corporate philosophy explain the self-concept underlying BESSEY Tool. They provide inward guidance by setting policies and guidelines for employees and management. Outwardly, they reflect the values and standards that the company stands for. We maintain our independence through profitable growth. The foundation for this is our reliability and flexibility. As in innovation, we develop our products for the highest level of assistance and functionality, whereas ergonomics, design and stand in the foreground.

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Product information

Technical Details

Manufacturer

‎Bessey

Part Number

‎JMCDUO45-8

Item Weight

‎1.9 pounds

Product Dimensions

‎14 x 7 x 4.67 inches

Country of Origin

‎China

Item model number

‎DUO45-8

Size

‎DUO45-8

Color

‎Black

Style

‎Ergonomic

Power Source

‎Hand Powered

Item Package Quantity

‎1

Included Components

‎Clamp

Batteries Required?

‎No

Warranty Description

‎Limited Life

Additional Information

ASIN

B0002H49OO

Customer Reviews

4.3 446 ratings

4.3 out of 5 stars

Best Sellers Rank

#78,911 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#83 in Bar Clamps

Date First Available

June 16, 2004

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

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Product Description

The BESSEY DuoKlamp is a very handy light duty clamp that can be operated with a single hand, leaving the other hand free to support the work piece until it is firmly clamped. If you need to push something apart, maintain a specific gap or position, the DuoKlamp can be reversed with a simple twist of a dial. Jaws are designed to resist flex & are capable of creating up to 260 lbs of clamping force. BESSEY. Simply better.

From the Manufacturer

Functions as a One Handed Clamp or Spreader All in One. Turn the Knob to Change From Clamping to the Spreading Function. Utilizes Large, Flat Clamping Jaws with Soft Pads that Allows you to Clamp or Spread Sensitive Surfaces, Right Angles and Both Rounded & Pointed Work pieces. 18"

Top Brand: Bessey

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	This Item Bessey BESSEY DUO45-8, 18 In. DuoKlamp Series, One Hand Clamp/Spreader	Recommendations Bessey BESSEY EHK series Micro 4 1/2" Trigger Style Clamp, Fast Acting One Hand Woodworking Clamps for Wood working, Carpentry, Home Improvement, DIY, Construction Projects	dummy VEVOR Bar Clamps for Woodworking, 2-Pack 24" One-Handed Clamp/Spreader, Quick-Change F Clamp with 300 lbs Load Limit, High-strength Plastic and Carbon Steel, Wood Clamps for Woodworking Metal Working	dummy PONY Jorgensen Bar Clamps For Woodworking, 12" 2-Pack One-Handed Clamps/Spreader with Load Limit Indicator, Quick Grip Bar Clamps E-Z Hold F Clamps Set with 300 lbs Load Limit, Medium Duty	dummy Bessey Duo45-8 Duo Clamp Capacity 45Cm	dummy Bessey Bessy RES01 Clamp Set, General Purpose Trigger Clamps with Composite Handle, 2 x 6 In. (100 lb) and 2 x 12 In. (300 lb),Red/Black
	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart
Price	-28% $26.75 List: $37.08	-25% $5.95 List: $7.95	-20% $31.99 List: $39.99	-8% $43.99 List: $47.99	$43.85	$34.97
Delivery	Get it as soon as Sunday, May 5	Get it as soon as Sunday, May 5	Get it as soon as Thursday, May 9	Get it as soon as Sunday, May 5	Get it as soon as Tuesday, May 7	Get it as soon as Sunday, May 5
Customer Ratings	4.3446	4.3609	4.598	4.8488	4.982	4.3609
Sturdiness	5.0	4.3	4.2	5.0	—	—
Easy to use	4.2	4.3	4.4	4.9	—	—
Value for money	3.8	3.8	4.4	4.7	—	—
Versatility	3.8	4.3	4.3	4.9	—	—
Sold By	Amazon.com	Amazon.com	Amazon.com	Kaya Depot	Vera Tools	Amazon.com
material	—	Alloy Steel, Molded jaws reinforced polyamide plastic resin, Plastic	Alloy Steel	Nylon, Steel, TPE, TPU	Metal	—
tensile strength	260 pounds	445 pounds	300 pounds	300 pounds	45 kilograms	—

Customer reviews

4.3 out of 5

446 global ratings

How customer reviews and ratings work

Customers say

Customers like the clamp's performance, ease of use, and clamping force. They mention that it does its job very well, is useful for basic applications, and is easy to use with just one hand. However, some disagree on quality, value, and expansion.

AI-generated from the text of customer reviews

64 customers mention48 positive16 negative

Customers like the clamping force of the hardware clamp vise. They say it's excellent, well made, and allows for a little deeper clamping. They also appreciate the clamp and spreader features via a simple turning of a knob on the handle. Some say the bar is a bit weak but not bad for quick clamps. Overall, customers say it is the best clamp on the market and the best general use clamp on this market.

"This product will clamp and spread, just what I was looking for. Looks to be well made, ordered a second one." Read more

"...The old ones were heavy duty and locked tight, but the new ones are like toys. Very disappointed." Read more

"...I have other clamps that are heavier. These ones seem pretty light but the versatility is a bonus." Read more

"...They do have a fairly good grip, I'll give them that, but as far as how long something with plastic, in a workshop will last.....it simply cannot be..." Read more

37 customers mention29 positive8 negative

Customers like the performance of the clamp vise. They say it does its job very well, is very useful, and is great for basic applications. Some say that the features are top notch and that it works fine for most gluing procedures.

"...They are useful for basic applications but they seem to give once you hit a certain pressure on it." Read more

"Works well, I like 'em, might buy more of same style." Read more

"Works when working solo. Good product" Read more

"...been used so far for compression, not spreading and seem to do their job very well...." Read more

25 customers mention25 positive0 negative

Customers find the hardware clamp vise easy to use. They mention it's easy to switch from a clamp to a vise, and that it makes installing the upper cabinets easier. Some appreciate the one-handed design and handle position. Overall, most are satisfied with the ease of use and quality of the product.

"I like this clamp because it is very easy to switch from being a clamp to being a spreader." Read more

"...for many years and they were always my go-to clamps, they were easier to use than the Irwin models, less clumsy, better balanced and tightened..." Read more

"...I was pleasantly surprised how easy these were to use. Originally I only bought one to see if I liked it...." Read more

"...Because they are especially useful for the one hand operation I use them for things I can hold with one hand. So I like the 12-inch size...." Read more

51 customers mention30 positive21 negative

Customers are mixed about the quality of the hardware clamp vise. Some mention it's very well made and sturdy, while others say it'll not hold down or spread apart. The plastic jaws are not nearly as rigid or secure as a traditional clamp, and the post attached to the squeeze lever tore.

"...Looks to be well made, ordered a second one." Read more

"...I did that. And that revealed a number of split ends (don't you just hate those split ends, ladies?). Off to YouTube I went...." Read more

"...Many are very high quality--made by Festool or Dubuque clamps. (Some are not so high quality Chinese-made clamps.)..." Read more

"...It’s a really well made tool that has earned a spot in my tool chest. I can see this coming in handy for a lot of other boat projects." Read more

17 customers mention7 positive10 negative

Customers are mixed about the value of the hardware clamp vise. Some mention it's well worth the price, while others say it'll be a waste of money.

"...These are terrible replacements for what were once the only clamps I ever used...." Read more

"...Maybe not. But for what I needed it for, it was worth every penny. When I clamped it down, I was NOT shy about clamping it...." Read more

"...Bessey had good clamps in the past but these are JUNK!!! What a waste of money!" Read more

"...Great value, IMHO." Read more

9 customers mention6 positive3 negative

Customers are mixed about the expansion of the hardware clamp vise. Some mention that the spreading feature is really handy, and they like the dual feature to spread or clamp. They also appreciate the ability to spread in small places and clamp large gaps. However, others say that the spreader function is poorly designed and not set up to use in spread mode.

"I like the dual feature to spread or clamp. I have other clamps that are heavier. These ones seem pretty light but the versatility is a bonus." Read more

"...This is not true for the spreader function. There is very little surface area for the objects being spreaded...." Read more

"...The quick change to spreader is very useful. The range from small to large on the spreader feature is also better than standard style quick clamps...." Read more

"Awesome clamps! The spreading feature is really handy. I keep them on the job at all times...." Read more

7 customers mention4 positive3 negative

Customers have mixed opinions about the size of the hardware clamp vise. Some like the smooth points and the good-sized area, while others say the bottom of the clamp is very large and bulky.

"...Look closely at the photos. There is plenty of room for objects to be clamped and the handle operates freely...." Read more

"I feel compelled to review this item simply to emphasize that it is very big/long, much larger than you might think from the pictures...." Read more

"The surface of the clamping points is smooth and has a good-sized area, which avoids damage to what's being clamped...." Read more

"...Have used it several times already. I like the extra space on the jaws. Allows for a little deeper clamping...." Read more

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gman

Great Product

Reviewed in the United States on November 29, 2023

Size: DUO30-8Verified Purchase

This product will clamp and spread, just what I was looking for. Looks to be well made, ordered a second one.

Helpful

visacrum

I don't care that I only needed this for 1 job, it did that job amazingly well.

Reviewed in the United States on May 12, 2021

Size: DUO45-8Verified Purchase

So, I'm restoring a cutting board I've had for over a decade. I call her Decky. If you can't figure out why, skip this review.

I unknowingly abused Decky in every way you can abuse a cutting board. I left it sitting in water. I threw it through the dishwasher. I left it sitting in MORE water. There were cracks, there were splits. I think I finally figured out why, at night, I would hear something that would be the sound of a wooden thing crying.

No more.

I bought a new bamboo board (Bambi, of course), and there she sits in all her conditioned glory. Sure, I could toss Decky into the dumpster, but this isn't Cutting Board Story! I decided I was going to rescue Decky. Not all that noble, since I'm the one that pretty much ruined Decky to begin with.

I promise, I'm getting to the part where this item comes into play. Why not enjoy an excellent story in the meantime?

Before I started seasoning Decky, I first had to buy an orbital sander to fix a fair amount of damage. I did that. And that revealed a number of split ends (don't you just hate those split ends, ladies?). Off to YouTube I went. I learned that the best way to deal with that was to pack in a bunch of food-safe wood glue and sand it while it was wet so that the sawdust would mix in. Well, I basically ruined 4 sanding discs. Why? Because Oh...my...God, Decky, Look at those ruts. Since those split ends were on...well, the ends, a number of videos said, after you sand in that wood filler, clamp that bad boy.

Enter the DuoKlamp.

This thing was so amazing that I had to repeat the above steps twice. The first time I used it, it squeezed (squoze?) out so much glue that I was afraid that all of it got squeezed (squoze?) out. So after 24 hours of being clamped, I unclamped it and did it again. Same thing happened. This time, I left it clamped. For a WEEK! Hey, I'm not in a hurry here, I've been destroying this board for over 10 years!

Then I repeated the process on the other side. Except this time I didn't freak out before 24 hours passed, I left it for a week.

Decky's split ends are sealed. Even now she's busy sucking up all the mineral oil I can throw at her. I actually had to buy a gallon after she went through 2 pints of the stuff. But those ends? SEALED.

Maybe I'll need this clamp again for something else. Maybe not. But for what I needed it for, it was worth every penny. When I clamped it down, I was NOT shy about clamping it. I actually ended up employing my knee on top of my wrist, bearing down on my wrist to make sure I got every ounce of pressure on it. Not only was Decky not hurt, not only didn't I break my wrist, but it 1 billion percent did the job I asked of it.

Satisfied customer.

11 people found this helpful

Helpful

WoodWard2

works very well

Reviewed in the United States on March 1, 2024

Size: DUO45-8Verified Purchase

I like this clamp because it is very easy to switch from being a clamp to being a spreader.

Helpful

Sunny K

Good Set of Clamps but not the strongest pressure 4/5

Reviewed in the United States on January 18, 2024

Size: DUO30-8Verified Purchase

I do a ton of woodworking and glue ups so I have a wall dedicated to clamps and I was intrigued by the one hand usability of these however they don't seem to apply as much pressure as the normal clamps or parallel clamps which are essential for clean glue ups and clean tops. They are useful for basic applications but they seem to give once you hit a certain pressure on it.

Helpful

John F.

Works well, I like 'em, might buy more of same style.

Reviewed in the United States on March 19, 2024

Size: DUO45-8Verified Purchase

Works well, I like 'em, might buy more of same style.

Helpful

Sandi D

Very Disappointed.

Reviewed in the United States on October 21, 2015

Size: DUO30-8Verified Purchase

I had a couple of the Bessey Duoklamps for many years and they were always my go-to clamps, they were easier to use than the Irwin models, less clumsy, better balanced and tightened without as much effort. After about five years of heavy use and abuse I was down to one DuoKlamp so I ordered a couple more from Amazon, despite some of the comments stating that these clamps slipped. I figured the users must not have been using them properly because I thought these clamps were the bomb. Well I must say that these are NOT the same clamps that I was so fond of. They look the same but they feel cheaper. The tightening mechanism has a ratchet-like action that is no where near as heavy duty as the original, and yes, they DO slip. In fact they won't even grip on the short side of the clamp, something I used to use often on the original models (because they tightened SO securely.)

These are terrible replacements for what were once the only clamps I ever used.

Comparing the newer version side by side with the older version is no comparison. The old ones were heavy duty and locked tight, but the new ones are like toys. Very disappointed.

21 people found this helpful

Helpful

StMichael

it works

Reviewed in the United States on March 19, 2024

Size: DUO45-8Verified Purchase

Works when working solo. Good product

Helpful

M&D

A nice tool for single handed clamping

Reviewed in the United States on December 10, 2020

Size: DUO30-8Verified Purchase

Initial impression
I have many clamps, but not "one handed clamps". I was pleasantly surprised how easy these were to use. Originally I only bought one to see if I liked it. Within a week of using it, another was ordered. They have only been used so far for compression, not spreading and seem to do their job very well.

The plastic "release" button and reversing (compression to spreading) selector button concern me for longevity, but only time in the saddle will tell if these are long lived.
The simplicity of being able to grab a clamp and immediately stabilize a work piece is very appealing.
At his time they seem like a good buy.

Helpful

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J.W. Vantuil

Quality control?

Reviewed in Canada on July 20, 2023

Size: DUO65-8Verified Purchase

Ordered two. One works perfectly, the other does not close one handedly .
I expected better from Bessey.
Turns out the second one locks so tight, very hard to release.
I am getting a replacement, but if it is the same as either one, I will send it all back and get another brand.
That's it. Returning both, and ordered another brand. Disappointing.

Ernesto G

Prensa Sargento Besseu DUO 045-8

Reviewed in Mexico on May 12, 2020

Size: DUO45-8Verified Purchase

Me gusto mucho esta prensa Sargento Bessey. Los materiales y la presión que ejerce al momento de utilizarla es muy buena. Un detalle práctico es su selector, el cual permite que esta prensa abra o cierre sus tenazas, sin necesidad de estar desarmando y re-orientando las tenazas (expandir o contraer). Muy contento con esta herramienta, dada la versatilidad que brinda al momento de utilizarla. Respecto al envió, llego en tiempo y forma.

One person found this helpful

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steffen gräßler

Sie sind immer noch so gut wie die letzte Bestellung

Reviewed in Germany on January 21, 2021

Size: DUO30-8Verified Purchase

Auf Grund der guten Qualität habe ich mein Sortiment erweitert

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jesus

excelente

Reviewed in Mexico on January 12, 2022

Size: DUO65-8Verified Purchase

Bessey siempre una marca de calidad

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