Wera 05072403001 Pozidriv Extra-Tough Bits 855/1 Z PZ1 x 25 mm, Pack of 10. These premium bits are designed for Pozidriv screws and offer a tough, durable performance for universal use. They feature a 1/4" hexagonal drive, suitable for holders as per DIN ISO 1173-D 6.3. The bits are ductile and tough, making them ideal for hard materials. The pack contains 10 pieces of 855/1 Z DIY bits, PZ 1 x 25 mm.