1. Made of wear-resistant, hard tungsten steel offering high durability and cutting power; specifically designed for stripped micro-screws found in precision electronics like mobile phones. 2. Includes a twist drill bit and a multi-tooth grinding bit; first, cleanly drill into the stripped screw with the twist bit, then easily extract the damaged screw using the grinding bit or extractor. 3. Equipped with a brass micro-precision chuck featuring a side-mounted hex locking screw to securely hold various micro-bits and prevent slipping during operation. 4. Provides a non-destructive extraction solution for stripped screws in tight spaces (such as the charging port area of ??a phone), preventing secondary damage to the phone casing or port during removal. 5. Comes in a compact storage case for easy portability and to prevent the loss of micro-bits. 6. Material: Tungsten steel 7. Weight: Approx. 11g
