Cast iron and steel screw clamp TG bi-material handle - Clamping force up to 6 000 N - Bi-material handle - Removable and interchangeable ball joint with no tool and without effort from the protrusion 80 mm -Profiled rail, cold drawn, notched, galvanized with high torsional and bending resistance -Brake for blocking the slide on the rail from the projection 80 mm