Clutch Style Set, Handle Style Screwdriver, Clamping Capacity 6 in, 12 in, Clamping Force 600 lb, Throat Depth 2 1/2 in, Jaw Pad Type Swivel, Sliding Mechanism Clutch, Number of Clamps 4, Bar Material Steel, Function Clamping, Handle Material Wood, Jaw Pad Height 1 9/16 in, Jaw Pad Width 1 5/16 in, Spreading Capacity - Maximum 12 in, Spreading Capacity - Minimum 6 in