New generation of Mo-Clamps.  It's self-Tightening and wider tooth surface is made to grab thin metal without tearing.  Drop-forged round wedge is to keep twist out of chain along with the aggressive cross-hatch tooth design.

• Gripping surface: 2-1/4" wide (57 mm), 1-3/4" deep (45 mm)
• Overall length: 7" (178 mm)
• Weight: 3 lbs (1.36 kg)
• Capacity: 3 tons (2,722 kg)
• Made of heat treated steel