McKay Multifunction 7 Pc, Star 6 Point, Torx Bit Set - Chucks into 1/4" most Hex Screwdrivers & Power Tool Shanks INTENDED USES: Torx screws are often found on automobiles, motorcycles, and bicycle brake systems (disc brakes), hard disk drives, computer systems and consumer electronics. Accessible tool for repairing telephones, mobile phones, cell phones, PSP, MP3/MP4, computers, games consoles, watches, etc. A must have for every handyman, jeweler, engineer, repair shop & workshops or computer repair guys to own. Also commonly used for automotive body & trim pieces, interior frames and electrical sensors. VARIETY SIZES, MULTIFUNCTION, 7 PC TOOL SET: 7 pc mini star 6 point, torque bit set contains T7-1.99 mm, T8-2.31 mm, T9-2.50 mm, T10-2.74 mm, T15-3.27 mm, T20-3.86 mm, & T25-4.43 mm. Assorted sizes so you always have handy when needed. STURDY HARDENED & TEMPERED CONSTRUCTION: Made with High Grade S2 Steel Material for a long lasting endurance. Hardened core for extra strength and reduced breakage. Heat-treated to guarantee bit hardness that stands up to any job. Made in Taiwan. EASILY CLICKS INTO MOST POWER TOOL SHANKS OR HEX SCREWDRIVER: Our torx bits easily chucks into most hex hole screwdriver or power tool shanks or sockets like Dewalt. Also attracts to magnetic screwdrivers. Great for accessing fasteners in tight areas. Overall bit length: 1". PORTABLE CASE HOLDER: Molded red plastic bit holder included that holds bits securely, Resourceful accessory for keeping frequently used driver bits close at hand while at work. Accessible carryon tool to keep in the car or tool box.