The Bosch 2607001558 Extra Hard PZ2 Screwdriver Bits are a good choice for universal use with Rotary Drill/Drivers The Bosch 2607001558 is a Pack of 3 Extra Hard PZ2 Screwdriver Bits measuring 25mm in length. Their tapered torsion zone copes easily with torque peaks, fulfilling all tasks. Ideal for applications such as screwdriving, furniture assembly, cabinet making, joinery and carpentry. Features: S2 Modified Steel and an optimised heat treatment process results in extra-hard quality for adequate performance. The tapered torsion zone copes easily with torque peaks, fulfilling all tasks. Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and 1/4" internal hex tool holders. Specification: Part Number: 2607001558 Type: PZ2 Quantity: 3 Pieces