Bar Clamp Handle Style Screwdriver Clamping Capacity 12 in Clamping Force 500 lb Throat Depth 2 1/2 in Jaw Pad Type Static Sliding Mechanism Clutch Bar Thickness 1/4 in Application General Purpose Clamping Bar Material Steel Bar Width 3/4 in Handle Length 4 5/16 in Handle Material Steel Spindle Diameter 1/4 in