Upgrade your drilling experience with this versatile keyless drill chuck with SDS Plus adaptor. Designed for seamless compatibility with BOSCH HA3JAW 1/2-20UNF drill models, this self-tightening chuck eliminates the need for a chuck key, allowing for quick and effortless bit changes. The 1/2 inch 3-jaw SDS chuck adapter accommodates straight shank drill bits, expanding your tool's versatility across various applications. With its robust construction and user-friendly design, this keyless chuck ensures a secure grip on your bits, providing enhanced control and precision during drilling tasks. Streamline your workflow and maximize productivity with this indispensable accessory for your BOSCH drill.