General description These extra-long Torx screwdriver bits are designed for a wide range of applications, making them suitable for manual electric screwdrivers, drills, pneumatic tools, and other electric tools. Technical specifications Material: High-quality S2 steel Hex shank size: 6.35 mm Length: 150 mm Sizes included: T8, T10, T15, T20, T25, T27, T30, T40 Usage Compatible with various tools including manual electric screwdrivers and drills Powerful magnet for easy screw retention Good finish for enhanced performance