General description 11 Piece Long Torx Screwdriver Bit Set includes magnetic bits with a length of 100mm, designed to meet various needs with sizes ranging from T6 to T40. The magnetic feature allows screws to stick to the bits, making it easier to retrieve them from deep holes without needing to turn or shake the object, thus enhancing work efficiency. Technical specifications Material: S2 alloy steel Head type: Torx Shank type: 6.35 mm (1/4") hexagonal Length: 100 mm Available sizes: T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40 Compatibility and accessories Compatible with hand screwdrivers, electric screwdrivers, and electric drills Usage Can be used for screwing in connections with a pin, suitable for electronics work