Features of the Park Tool PTD-5 Preset Torque Driver 5NM All metal internal construction for long life Comfortable ergonomic composite molded grip Includes 3mm, 4mm, 5mm and T25 bits (stored in handle) 1/4in. in. drive Magnetic socket retains bits Bits Included, Yes Bit Size, 3mm Hex, 4mm Hex, 5mm Hex, T25 Driver Size, 1/4in.in.