The ITS PZ2 Screwdriver Bit Set is a high-performance set that includes 100 pieces of 25mm screwdriver bits made of strong S2 material. The screwdriver bits are designed to fit 14 bit holders and can handle any PZ2 screw or bolt. The set is a handy bulk-size set that gives you plenty of bits for any PZ2 project. The bits are stored in an interlocking screw top case that keeps them organized and protected.