kwb 153300 screwdriver bit

Handy Bit Box ISO-TEMP, 7-piece Handy Bit Box diamond coated, 1/4" hexagon drive to ISO 1173, C 6.3, very hard-wearing, special bits for use with hard screws, specially hardened to reduce the risk of breakage, ACR tip, the ribs on the tip help to prevent "cam-out" and reduce required pressure. Bit holder with permanent magnet, spring clip, 1/4" hexagon shaft to ISO 1173, E 6.3, patented bit box also can be used as hand screwdriver.