Lever is vertical in the clamping position, automatic stepless adjustment of the clamping height up to 35 mm with almost the same clamping force ? without manually changing the pressure screw position, adjustable clamping force up to 2500 N depending on the setting of the adjusting screw in the joint, stable, hardened sheet steel for a long service life, hole pattern on the base plate suitable for millimeters and inches, high-quality, oil-resistant 2-component plastic handle