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The Irwin 4SP is a locking C-clamp with swivel pad and a 4 in nominal clamp size, featuring a trigger-release locking mechanism and an easy-release screw with micro-adjustment. It has a maximum jaw opening of 1-5/8 in, a throat depth of 1-1/4 in, and an overall length of 4 in. Constructed from heat-treated alloy steel with a nickel-plated finish, it is tether capable and meets government specification GGG-W-00649.
4 in locking C-clamp with swivel pad, trigger-release lock, 1-5/8 in max opening
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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