1. Rotating bearing tail cap to improve work efficiency 2. The handle is made of rust-proof alloy material, comfortable to hold, non-slip and wear-resistant 3. Hardened alloy steel bit, with strong magnet installed inside, more convenient to operate 4. Extra-large icon on the tail cap, easy to find and take 5. Suitable for disassembling mobile phone screws 6. Material: alloy steel 7. Size: about 13.3 x 1.6cm 8. Note: only screwdriver, not others