Introducing the 'CK 7 Piece TiN Pozi Screwdriver Bit Set.' Crafted from superior quality chrome vanadium steel, each bit in this set boasts a titanium nitride coating, ensuring enhanced durability and wear protection. The precision machining of these bits guarantees high-performance screwdriving every time. What sets them apart is their grip tip anti-cam-out ribs which promisingly interact with the screw head – this drastically minimizes the possibilities of slippage and cam-out, making your work seamless and risk-free. The set includes differing sizes - PZD 1, 2 (4 items) & 3, accommodating various needs. Each set is accompanied by a practical bit storage case with an integrated magnetic bit holder/driver adapter, adding convenience to your tasks. With a 25mm size, this 7-piece set brings you all the necessary tools for any screwdriving task at your fingertips. Optimize your work process with this durable, practical, and efficient screwdriver bit set.