A compact metal adapter that converts a standard screwdriver handle or electric screwdriver with a three-jaw chuck into a square drive head for sleeve installation. After installation, the joint can be converted to a square drive for the head, enabling use with sleeves. A versatile conversion tool. Hexagon connecting rod adapter for drill ; suitable for M14 polishing discs and other power tool accessories. Material: metal, providing stable and firm performance. Size: portable and small; easy to store and carry; convenient for on the go tasks. Use scenarios - In tight spaces, attach to a manual or electric screwdriver to install sleeves with a square drive. - Use the hexagon rod adapter with a drill to drive hex-based accessories or attach M14 polishing discs. - Keep as a compact conversion kit in your toolbox for quick swaps between screwdriver and drill tasks.