The XTrade PZ2 Impact Screwdriver Bits are a set of 25 high-quality, heavy-duty tools made from durable chrome-vanadium steel. With a length of 25mm and a 1/4 inch hex drive type, these Pozidiv PZ2 screwdriver bits are designed for tough DIY tasks and workshop projects. The XTrade brand ensures reliability and performance, making these screwdriver bits a valuable addition to any toolbox.