Bessey® ClassiX™ Bar Clamp, Regular Duty F-Style, Series: GSM, 5-1/2 in Throat Depth, 20 in Clamping, Replaceable Swivel, 1-1/2 in Swivel Pad, 0.775 in Screw, ACME Threaded Spindle, 0.78 in Spindle dia, 7/16 in W Bar, 1-3/16 in Bar Thickness, Steel Bar, 1-5/16 x 2-5/8 in Clamp Face, 2660 lb Clamping, 1-3/16 x 19/32 in Nominal Rail, 4-11/16 in L Handle, Steel Handle, Zinc Plated Bessey® ClassiX™ GSM50 Regular Duty F-Style Bar Clamp, 5-1/2 in D Throat, 20 in Clamping, Replaceable Swivel