1、1. [Multi‑purpose]: Ideal suitable tool for screwing screws manually or electrically, suitable for repair and installation in small spaces. 2、2. [90‑Degree]: Right angle design allows you to connect to tight spaces and hard to reach areas where a normal straight connector is unavailable. Used to connect electric drills or hexagon sockets. 3、3. [High hardness]: Made of steel, high hardness, long time use. Easy to disassemble and assemble, the handle can also be switched left and right, which can save time and effort. 4、4. [Self‑lock design]: 6.35MM (1/4inch) standard hexagon socket, easy to obtain clamping force, suitable for hexagonal shank bits, drill bits, etc. 5、5. Compact size, easy to use and carry.