Description: Function: This screwdriver drill bit can be used to lock or unscrew the screw easily, making your work more convenient, you can order according to your needs. High precision: The drilling bit can lock the screw firmly, not easy to slip or break when extracting, you can use it without worrying about damaging the screw or other tools. Application: This hand tool is suitable for hand screwdriver, electric screwdriver and other hex-shank electric drills, making it easy for you to extract the screws. Long-lasting: Made from alloy for S2 steel material, this screw extractor is sturdy and durable, you can use it for a long time because it is not easy to be broken or damaged. Portable: Designed with a small size and lightweight, the screwdriver bit is easy to store and carry, it will not occupy so much space. Specification: Material: for S2 alloy steel. Color: black. Size: approx. 65mm/2.56inch. Approx. 70mm/2.76inch. Approx. 90mm/3.54inch. Approx. 150mm/5.91inch. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: Type 1: 2 Pieces Screwdriver Drill Bits. Type 2: 3 Pieces Screwdriver Drill Bits. Type 3: 4 Pieces Screwdriver Drill Bits.