Function and conversion capability - Designed to be driven by a screwdriver handle or electric screwdriver tool with a three-jaw chuck to drive the sleeve. After installation, the joint can be converted into a square drive for head attachments, enabling reliable sleeve installation. A powerful conversion tool for expanding your tool reach. Compatibility and attachments - Hexagonal connecting rod converters for drill chucks and M14 polishing disc connecting rod power tool accessories, broadening compatibility with common power tool setups. Design and portability - Lightweight and compact: small size for easy storage and convenient transport, helping you work more efficiently in tight spaces or on the go. Scope of application - Suitable for installation on tools with varied drive shapes, including pneumatic screwdrivers, electric screwdrivers, air drills, electric drills, and manual screwdrivers. Use scenarios - Automotive and maintenance tasks: quickly convert to square drive to access confined or recessed areas for sleeve installation, improving efficiency in repairs and assembly. - Finishing and polishing: attach M14 polishing discs via the hexagonal rod for polishing and surface finishing tasks without changing tools. - General tool versatility: use with drill chucks and various chucks through the hexagonal connecting rod to adapt to different drive configurations, expanding your toolkit for multiple projects.