Bar Clamp Bar Type Profiled Rail Handle Style Sliding T Clamping Capacity 4 in Clamping Force 550 lb Throat Depth 3 1/8 in Jaw Pad Type Swivel Sliding Mechanism Bar Slide Bar Thickness 5/8 in Spindle Material High Carbon Spindle Finish Spatter-Resistant Application Industrial Bar Material Steel Bar Width 5/16 in Function Clamp Handle Length 3 3/16 in Handle Material Tempered Drop-Forged Steel Jaw Pad Width 1 in Spindle Diameter 9/16 in