The DeWalt DT71521-QZ Screwdriving Bits PZ2 (25 Pack) are high-quality Phillips screwdriver bits made of steel, featuring a 1/4 inch drill bit size and 25mm PZD2 size. With a hex shank type and overall length of 1 inch, these screwdriver bits are designed for optimal performance and durability. The pack of 25 bits comes with a magnetic feature for easy handling and storage. Manufactured by DEWALT, a trusted brand in the industry, these screwdriver bits are perfect for woodworking and metalworking projects.