Mo-Clamp 0205 Dyna-Mo C Clamp (3-Ton Capacity). New generation of Mo-Clamps. Self-tightening. Great for getting over lips or edges. Drop-forged round wedge to keep the twist out of chain, aggressive cross-hatch tooth design, spring-loaded for easy opening. Specifications: Gripping surface - 1-1/4" wide x 1/2" deep, Overall length - 7", Capacity - 3-tons.