The bosch 3 piece pozi screwdriver bit set provides tradespeople and contractors with a compact, versatile selection of pozidriv bits suitable for everyday screw-driving tasks. Manufactured from s2 modified steel with an optimised heat treatment process, each bit delivers extra-hard performance and consistent durability across a wide range of applications. The set includes pz1, pz2, and pz3 sizes, covering the full spread of common pozidriv screw heads encountered on the job. Each bit features a tapered torsion zone that absorbs torque peaks, force, and vibrations during screw-driving, helping to protect both the bit and the fastener. The 1 4-inch external hex shank ensures a secure, positive connection in three-jaw chucks and 1 4 internal hex tool holders, making the bits compatible with most cordless drill drivers and screwdrivers. Features and benefits: includes pz1, pz2, and pz3 bits for versatile everyday use s2 modified steel construction with optimised heat treatment for extra-hard durability tapered torsion zone absorbs force and vibrations to cope with torque peaks 1 4 external hex shank for strong, secure connection and maximum torque transmission compatible with three-jaw chucks and 1 4 internal hex tool holders specifications: length: 25mm net weight: 0.016Kg contents: pz1, pz2, pz3