WESTWARD 10D628 - L CLAMP HEAVY DUTY 40 LN - SLIDING ARM BAR CLAMP HEAVY DUTY OPENING (IN.) 40IN THROAT DEPTH (IN.) 6-7/8 IN LOAD CAPACITY (LB.) 4 500 NOMINAL RAIL SIZE (IN.) 1-17/32 X 25/32 NOMINAL CLAMPING PRESSURE 4 500 SPINDLE DIA (IN.) PHASE 27/32 PAD TYPE SMOOTH SWIVEL TYPE YES SWIVEL PAD (IN.) PHASE 1-5/8 X 5/8 SCREW SIZE (IN.) PHASE 27/32 MAX JAW OPENING (IN.) 40IN CLAMP FACE (IN.) PHASE1-5/8 BAR THICKNESS (IN.) 7/16 BAR WIDTH (IN.) 5-1/2 BAR MATERIAL STEEL HANDLE LENGTH (IN.) 5-1/2 HANDLE MATERIAL STEEL - EQUAL TO G5141954