ST
IRWIN VISE-GRIP

9" Locking Chain Clamp, 3-3/8" Max. Opening

  • Item # 6C664
  • My Part #
  • Mfr. Model # 20R
  • Catalog Page # 837
  • UNSPSC # 27112115
9" Locking Chain Clamp, 3-3/8" Max. Opening close
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  • Shipping Weight 1.7 lbs.
Country of Origin Taiwan Country of Origin is subject to change.
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Product Details

The IRWIN® VISE-GRIP® locking chain clamp holds and locks around any size or shape. Won't slip or crush thin-walled pipe. Adjusts in either direction. Nickel-plated, heat-treated alloy steel clamp has micro-adjustment screw mechanism.

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Technical Specs

  • Locking Clamp Product Grouping Locking Chain Clamps
  • Item Locking Chain Clamp
  • Max. Opening 3-3/8"
  • Clamping Force Not Rated
  • Nominal Clamp Size 9"
  • Number of Pieces 1
  • Swivel Pad No
  • Tether Capable Standard Tool (Accessory Needed for Tethering)
  • Overall Clamp Length 9"
  • Finish Nickel Plated
  • Material Steel
  • Locking Mechanism Release Lever
  • Screw Mechanism Easy Release Trigger, Micro-adjustment
  • Standards Government Specifications GGG-W-00649
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Compliance and Restrictions


  • Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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Customer Reviews


9 In Locking Chain Clamp, 3-3/8 In Max. Opening is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Great when you need it! I find many uses for this, but the best is doing pullies on cars. Wrap the OD of the pulley with a rag or strip of rubber (old inner tube works here) and then lock the chain around the pulley. Wedge the handle against something solid and work on the nut.Also works for turning shafts a bit, aligning exhaust joints, etc. Easier at times (and less damage) than a pipe wrench or pliers.
Date published: 2015-12-07
Rated 5 out of 5 by from Pipe fitter/pipe welder I cant even begin to describe the importance or practicallity of these babies. Two chain grips and a piece of 2x2 angle iron and who needs a fitting table. For the guys rolling out welds attach 2 180 degrees apart and they make a perfect mechanism for turning the pipe.
Date published: 2011-01-16
Rated 5 out of 5 by from Handy man these are a life saver. The work great every time. Work amazing to change the oil filter when it's in a tight place. My new favorite tool
Date published: 2010-08-09
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