Review of Irwin Industrial Tools 512QC546DT 12-Inch Quick-Grip Bar Clamp with Bonus 6-Inch Mini Bar Clamp

I have been crafting fine cabnitry for many years now. In the process I have used virtually every clamp and strap device on the market. From Jegenson, strap clamps, spring grip, bar clamps (circular & retangular)to the racheting designs. All have particular advantages, but the bestoverall clamp that I have used for wood glueing and wookwrking is the quickgrip. Some of their advantages are ease of clamping and or releaseing themechanism itself. The clamp can also be quickly adjusted using one handassuming that the clamp has been "gross" adjusted to theapproximate size of the work piece.Gross adjustment is a simple onesecond process of sliding the statioanry end of the clamp down the staft tothe approximate size of the work-piece.Equally easy to operate is thequick (hence the name) release button.It provides easy readjustments oftension or clamp position. Both of these features as esential whan workingalone or with a complex assembly that requires pressure while the clamp isbeing applied. The weight of the clamps that I use the most (standard 36and 24 inch clamps) are approxmiatly 2 and 2.5 lbs respectivly. These arethe lightest clamps that I have used given their holding strength. Theyprovide much more holding force than I have ever need for cabinet makingwith no apparent slippage over 24 hours (typ glue cure cycle). Their onlylimitation is their length. They come in standard lengths of 12, 18, 24,36, and 50 inch lenghts. I guess the manufacturer assumes that if you wnatto build somehting bigger than 50 inches, you and prodably a professionaland will have custom holddown hardware of your own...Keith J, San Jose,CA

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Product Description:
Versatile quick-grip bar clamps are ideal for clamping or spreading. Quick advance trigger moves jaws twice as fast as standard clamps. Head or tail can be used anywhere on the bar for ultimate positioning. Heat treated steel bar with resin head and tail provide lightweight strength and durability. Clamp pressure: 250 lbs.Throat: 3 1/4in. U.S.A.

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