Features and Benefits: Gripping Surface: 1-1/4 wide (32 mm), 1 deep (25 mm). Overall Length: 7 (178 mm). Weight: 2 lbs (.91 kg). Capacity: 3 tons (2,722 kg). Heat treated steel New generation of Mo-Clamps. This self-tightening, thin-edged nose is used to get into those hard-to-reach places. Its Drop-forged round wedge is to keep the twist out of the chain. Also has aggressive cross-hatch tooth design and spring loaded for easy opening.