Feature: 1. 22 in 1 Set: 22 in 1 accuracy screwdriver set tool, including 1pc handle, 20 x screwdriver bit, and 1pc tweezers. 2. Good Design: Anodized aluminium alloy handle can prevent slipping, which also enables 360 degree nut rotation. 3. S2 Bit Head: The screwdriver bits are made of rustproof S2 material with HRC56~58 high hardness, very reliable. 4. ABS Shell: Oil sprayed ABS shell has good toughness, comfortable to hold and not easy to slip during working. 5. Simple Uses: Easy to take out, simple to store with small size, very convenient to carry for long distance work. Specification: Item Type: Screwdriver Bit Set Material: S2 + ABS + Aluminium Alloy Function: Can be used to repair various electronic products. Bit Material: S2 Bit Hardness: HRC 56-58 Bit Magnetic: With Magnetic Package List: 1 x Screwdriver Bit Handle 20 x Screwdriver Bit 1 x Tweezers 1 x Storage Box Note: Surface redness and phosphating do not affect the accuracy of the bit.