11. [Multipurpose]: Ideal suitable tool for screwing screws manually or electrically, suitable for repair and installation in small spaces. 22. [90Degree]: 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. 33. [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. 44. [Selflock design]: 6.35MM (1 or 4inch) standard hexagon socket, easy to obtain clamping force, suitable for hexagonal shank bits, drill bits, etc. 55. Compact size, easy to use and carry. Specification Material: Steel Degree: 90 Shank: 1 or 4" hex shank 1 x Self-lock right angle screwdriver holder