Features Impact Resistance: The precision small batch head is made of high-quality CR-V material, which has the characteristics of impact resistance, toughness and wear resistance. Electroplating Treatment: The surface of the 28MM small bit kit is electroplated, which is scratch-resistant, while being manufactured under strict quality control standards. Repair Tool For Electronic Equipment: The small screwdriver bit kit has stable performance, high reliability, light and delicate appearance, and is a repair tool suitable for electronic equipment such as mobile phones. Excellent Workmanship: The mobile phone repair bit adopts excellent workmanship, which brings a smooth surface, and will not easily hurt your hands during operation. It is small, light, and easy to use. 10 Screwdriver Bits in Different Sizes: The bit set includes 10 screwdriver bits in different sizes, convenient to meet your various requirements, very convenient. Features: 1. Adopted of high quality CR-V material, which is anti-impact and tough, great wear resistant. 2. This product includes 10pcs screwdriver bits in different sizes, so is convenient to meet your varied requirements. 3. A set of tools for repairing mobile phones, and other electronic equipment. 4. It is compact and lightweight, and easy to use. 5. Surface Plating treatment. Specification: Condition: 100% Brand New Item Name: Screwdriver Bits Shank Diameter: Approx. 4mm / 0.2in Length: Approx. 28mm / 1.1in Quantity: 10PCS Material: CR-V Surface Plating Type: PH00/PH0/Z1/Z0/3.0/2.0/1.0/T5/T4/Star 08 Weight: 24 g / 0.8 oz(approx.) Package List: 10 * Screwdriver Bits Note: 1. Please allow slight error due to manual measurement. Thanks 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 standard. Package List