easy, smooth engagement thanks to the milled turntable in five different positions, no slipping of the joint, can be used as a wrench in many situations, structural relief of the joint screw, therefore no screw wear, clamping protection prevents crush injuries, gripping surfaces with specially hardened teeth, hardness of the teeth approx. 61 HRC Length 250 mm: secure gripping thanks to high wear resistance. Burner hole with a good fit for screws and nuts, chrome vanadium electric steel, forged, multi-stage oil-hardened