Bar Clamp Bar Type Profiled Rail Handle Style Screwdriver Clamping Capacity 12 in Clamping Force 450 lb Throat Depth 2 3/8 in Jaw Pad Type Swivel Sliding Mechanism Bar Slide Bar Thickness 3/4 in Bar Material Steel Function Clamping Handle Material Plastic Includes Removeable Pad Spreading Capacity - Maximum Not Applicable Spreading Capacity - Minimum Not Applicable