The Bessey STB heavy-duty bar clamp delivers 4,880 lb of clamping force across capacities from 12″ to 36″ with a 7″ throat depth. Its drop-forged, tempered steel sliding arm, heat-treated ACME screw, and ergonomic T-handle ensure long-lasting performance. The zinc-plated steel bar and replaceable swivel pad offer durability and versatility for industrial and woodworking tasks.