Features: *The accuracy and durability of this screwdriver meets higher standards. Use them for DIY home projects or work sites. *With magnetic, the parts adopt strong permanent magnet, which can fix the screws firmly. Perfect placement every time. *Standard shank diameter, 6.35mm on the opposite side of the hexagonal shank, 1/4 standard shank diameter, suitable for all kinds of pneumatic screwdrivers, electric screwdrivers, and rechargeable screwdrivers. *Straight and concentric angles can effectively reduce the phenomenon of bit swinging. *Made of sturdy Alloy steel, high hardness, strong torsion, long-term use. *Electroplate Upgraded anti-rust and better storage, the surface adopts special anti-rust surface treatment. Specifications: Product name: Screwdriver Bits Material: Alloy Steel Color: Silver Surface treatment: Electroplating Length: 100mm Head: Torx Shank: 1/4 Inch Hex Magnetic: Yes With Hole: Yes Optional Size: , T7, T8, T9, T10, T15, T20, T25, T27, T30, T35, T40 Suitable for: electric drills with speed regulating device, electric screwdrivers, hand screwdrivers Quantity: 1Pc Package Includes: 1 × Torx Screwdriver Bit Notes: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data. Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you. Irish Whistle Flute C Key D Key Ireland Tin Penny Whistle 6Hole Flute Instrument