Application:Suitable for 1/4" DIN ISO 1173-C 6,3 and E 6,3 hexagon insert bits and Wera Series 1 and 4 Drive:1/4" hexagon suitable for power tools with DIN ISO 1173-F 6,3 receiver Design:1/4" hexagon with Rapidaptor rapid-in, rapid-out, rapid-spin, chuck-all, and single-hand technology, magnetic
