GX Clamps 1 Ton Grip Capacity 1/16 in Min , 3/4 in Max clamp is entirely drop forged and heat treatedCan be used for both vertical and horizontal-to-vertical liftingExclusive feature is a patented wear indicator systemWhen any of cam's straight line, convex teeth are flattened between unique wear indicator grooves, it is time to change the camShackle and link combined into one part for fewer stress points and less chance of side loading damage*Note The pad should be replaced at the same time as the cam100% proof tested with certificate of test attached to each clamp Grip Cap. 1/16 in Min , 3/4 in Max Working Load Limit 1 tonsNeck Depth 3 1/16 inLocking Type Load ActivatedMounting Fixed EyeMaterial Forged SteelType Plate ClampWt. 7.65 lb