Sliding Arm Bar Clamp, Deep Throat, Regular Duty F Series w/Ergonomic Grip, Opening (In.) 24 in, Throat Depth (In.) 8 in, Load Capacity (Lb.) 1,770 lb, Nominal Rail Size (In.) 1-3/16 x 19/32, Nominal Clamping Pressure 1,770 lb, Spindle Dia. (In.) 25/32, Pad Type Swivel Morpad, Swivel Type Removable, Swivel Pad (In.) 1-1/2, Screw Size (In.) 25/32, Max. Jaw Opening (In.) 24 in, Clamp Face (In.) 1 1/4 x 2 3/8, Bar Material Steel, Handle Length (In.) 4 5/8 in, Handle Material Steel and Plastic