Adopted of high quality CR-V material, which is anti-shock and durable, very wear-resistant. This product includes 10 screwdriver bits in different sizes, so it is convenient to meet to your various needs. A set of tools for repairing mobile phones and other electronic equipment. It is compact, lightweight and easy to use. Surface plating treatment, rust and corrosion resistant. Features: 1. Adopted of high quality CR-V material, anti-impact and tough, very wear-resistant. 2. This product includes 10 screwdriver bits in different sizes, so it is convenient to meet your various needs. 3. A set of tools for repairing mobile phones and other electronic equipment. 4. It is compact, lightweight and easy to use. 5. Surface plating treatment, rust and corrosion resistant. Specification: Condition: 100% Brand New Item Name: Screwdriver Bits Shank Diameter: Approx. 4mm\/0.2inch Length: Approx. 28mm\/1.1inch Quantity: 10PCS Material: CR-V surface plating Type: T3, T4, T5, T6, T7, T8, T9, T10, T15, T20 Weight: 24g\/0.8oz (Approx.) Package List: 10* Screwdriver Bits Note: 1. Please allow slight error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard.