The GENUINE Wera Joker – Textile box switch 11, empty 1 piece tools for rebels: Lasertip – Laser treated blade tip using a tight focused laser light a sharp surface structure is created. Laser ensures the hardness of the signs of up to 1000 HV 0, the 3rd of Wera Lasertip krallt sit out in the screw head and prevents slipping from the screw head. For slotted, Phillips and Pozidriv. The surface of the Microraue bite in the screw head and for a safe hold of the screwdriver in the screw head. Reduced cam out effect. Reduction of contact pressure needed.