Material Housing Thermoplastic, black Body Steel, blackened Ball knob DIN 7708 - Thermosetting plastic (PF 31), red similar to RAL 3003 Accessories Steel, blackened Operation Compact clamping element for pull and push clamping strain which can be converted by turning the pressure sleeve. The travel path is 10 mm. Within the short clamp travel of 2 mm, self-locking occurs in any position. The maximum clamping force allowed is 4,9 kN.