Bar Clamp Set, Bar Type Profiled Rail, Handle Style Sliding T, Clamping Capacity 16 in, Clamping Force 2,660 lb, Throat Depth 5 1/2 in, Jaw Pad Type Swivel, Sliding Mechanism Bar Slide, Bar Thickness Not Applicable, Number of Clamps 6, Application Assembly, Construction, General Purpose Clamping, Heavy Duty, Maintenance, Welding, Bar Material Cold Drawn, Heat Treated, Tempered Alloy Steel, Handle Material Forged Steel, Includes (2) Mfr. No. GSM20, (2) Mfr. No. GSM30, (2) Mfr. No. GSM40