Bar Clamp/Spreader, Clamping Capacity 18 in, Throat Depth 3 1/4 in, Clamping Force 260 lb, Jaw Pad Type Soft-Touch Grooved, Jaw Pad Height 1 7/16 in, Jaw Pad Width 1 3/16 in, Spreading Capacity - Maximum 21 in, Spreading Capacity - Minimum 2 3/4 in, Bar Material Steel, Handle Material High Impact Plastic Resin, Jaw Material Polyamide, Tool Operation Type One Handed