Different sizes: T5, T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40, to meet various needs. Full length: 50mm / 2 inches. High-quality materials: Made of S2 high-quality steel, durable and long-lasting. Easy to use: Screws can be easily secured. Bits are compatible with electric screwdrivers, and the handle allows manual use. Versatile application: Suitable for use with electric screwdrivers, manual screwdrivers, and electric drills. Note: T5, T6, and T7 Torx head bits are not tamper-proof. Size: 50 x 6.35mm Material: Steel Color: Silver + Black Package Contents: 12 x Bit heads (T5, T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40) 1 x Handle Only the above items are included; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.