Bar Clamp Clamping Capacity 6 in Throat Depth 3 1/4 in Clamping Force 300 lb Jaw Pad Type Flat Jaw Pad Height 3/8 in Jaw Pad Width 1 3/8 in Spreading Capacity - Maximum 13 3/4 in Spreading Capacity - Minimum 7 1/2 in Bar Material Steel Handle Material Composite Plastic