Bar Clamp Bar Type Profiled Rail Handle Style Screwdriver Clamping Capacity 30 in Clamping Force 600 lb Throat Depth 2 1/2 in Jaw Pad Type Swivel Sliding Mechanism Clutch Bar Thickness 3/4 in Spindle Finish Powder Coated Application Assembly Construction General Purpose Clamping Gluing Maintenance Woodworking Bar Material Malleable Cast Iron Steel Function Clamp Handle Material Wood Spindle Diameter 7/16 in