Sliding Arm Bar Clamp, F-Style, Opening (In.) 12 in, Throat Depth (In.) 5 1/2 in, Nominal Rail Size (In.) 1-3/32 x 7/16, Nominal Clamping Pressure 1,320, Spindle Dia. (In.) 5/6 , Pad Type Smooth, Swivel Type Standard, Swivel Pad (In.) 1-1/2, Screw Size (In.) 25/32, Max. Jaw Opening (In.) 12 in, Clamp Face (In.) 1-1/2, Bar Thickness (In.) 7/16 in, Bar Width (In.) 1 3/32 in, Bar Material Steel, Handle Length (In.) 5/8 in, Handle Material Steel, Bar Size (In.) 1 3/32 in