A set of 21 screwdriver bits, 100mm long magnetic tips, Torx T6-T40, 3mm to 6mm hex, Phillips PH2, 4mm to 6mm flathead, 1/4 inch hex shank.

【Premium Materials】The drill bits are made of S2 steel, heat-treated to achieve a hardness of HRC60, and sandblasted.

【Extra-Long Magnetic Drill Bits】The drill bit tips are magnetic and can extend up to 100 mm, making your work easier.

【Double-Ended Screwdriver Set】This set includes 21 different screwdriver bits: 11 star screwdriver bits, 4 hex screwdriver bits, 3 PH2 Phillips head screwdriver bits, and 3 flathead screwdriver bits. Each screwdriver bit is laser-marked for easy identification.【Wide Compatibility】The 6.35 mm (1/4 inch) hex screwdriver bits are compatible with most common electric screwdrivers, manual screwdrivers, electric drills, and pneumatic drills.