Different sizes: 11 pieces: T5, T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40 to meet various needs. Full length: 75mm / 3 inches. High-quality materials: made of S2 high-quality steel, durable and long-lasting. Easy to use: screws can be easily held in place. The bit is compatible with electric screwdrivers, and the handle allows for manual screw turning. Widely used: compatible with electric screwdrivers, manual screwdrivers, electric drills, and other tools. Note: T5, T6, T7 Torx head bits are not tamper-proof. Size: 75mm x 6.35mm. Material: steel. Color: Silver + Black. Package Contents: 11 x bit heads, 1 x handle. Only the items listed are included; other items are not part of the package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.