The original WERA textile box 8100 SA Zyklop metal switch, empty, 1 piece tools for rebels: laser tip, laser-treated blade tip, a sharp surface structure is created. The laser treatment results in a hardness of traces of up to 1000 HV 0.3. Wera Lasertip claws in the screw head and prevents slipping out of the screw head. Slotted, Phillips and Pozidriv. The micro-rough surface bites tightly into the screw head and ensures a secure fit of the screwdriver in the screw. Reduces the cam-out effect. Reduces the required contact pressure.