Sliding Arm Bar Clamp, Opening (In.) 24, Throat Depth (In.) 4-3/4, Load Capacity (Lb.) 1200, Nominal Rail Size (In.) 63/64 x 15/32, Nominal Clamping Pressure 1200, Spindle Dia. (In.) 0.70, Swivel Pad Type, Standard, Non-Replaceable Swivel Type, Swivel Pad (In.) 1-1/2, Screw Size (In.) 0.7, Max. Jaw Opening (In.) 24, Clamp Face (In.) 1-5/32 x 2-1/4, Bar Thickness (In.) 63/64, Bar Width (In.) 15/32, Bar Material Cold Tempered Forged Steel, Handle Length (In.) 3-15/16