Bessey STB50M High-performance clamp, heavy duty STB 500/175, BE101923 - Clamping force up to 22,000 N at tightening torque of 70 Nm. Tommy bar with rounded ends for comfort and simple transfer of force when clamping. Forged sliding arm is made from tempered. Drop-forged steel for long service life. Heat treated, high carbon Acme threaded screw à tempered and quenched to give greater load capacity with longer service life. Spatter resistant. High-strength electro-galvanized sliding pin T-handle à rounded ends for comfort, size engineered to load capacity