Bar Clamp, Heavy Duty, Opening (In.) 36 in, Throat Depth (In.) 2 in, Load Capacity (Lb.) 7,000, Nominal Rail Size (In.) 1-1/2 x 15/32, Nominal Clamping Pressure 1,700, Spindle Dia. (In.) 5/8, Pad Type Smooth, Screw Size (In.) 5/8, Max. Jaw Opening (In.) 36 in, Clamp Face (In.) 2 x 2, Bar Thickness (In.) 7/16 in, Bar Width (In.) 1 41/64 in, Bar Material Nickel Plated Steel, Handle Length (In.) 5 3/4 in, Handle Material Cast Iron, Bar Size (In.) 1 3/4 in, Clamping Surface D (In.) 2 in