rapid tool changes with our quickly release extension rod featuring double position steel ball and spring loaded mechanisms, compatible for most hammer drill accessories and designed for instantly locking / release of round shank bits Engineered for durability and universally compatibility, this extension rod seamlessly integrates with standard round shank accessories ( excluding five-slot round handle), precise and stability across repetitive heavy duty applications Perfect for drilling, screwdriving, or fastening tasks in workshops, construction sites, or home renovation projects using compatible rotary hammer bits and adapters The reversible double ended round shank eliminates orientation hassles during installation, while the high carbon steel collet ensures superior tensile strength and the shaft withstands high torques operations Ideal for professional electricians, construction workers, and enthusiasts requiring reliability power tool accessories for drills, or pneumatic tools, Manufacturer: ERRORY