Features High Precision Clamping: Achieve superior gripping with our specially designed clamping jaws, ensuring a tight and secure fit for all your drilling needs Durable Anti-Corrosion Housing: The electrophoretic paint treatment provides excellent resistance against harsh environments, prolonging the tool's lifespan Enhanced Torque Transfer: Enjoy exceptional performance with our unique anti-th bearing, converting key-applied torsion into improved gripping power Improved Wear Resistance: Our clamping jaws are specially treated to withstand wear and tear, ensuring consistent performance over time Versatile Compatibility: Designed to work seamlessly with various tools, enhancing your drilling capabilities and making your projects more efficient Features: 1、High accuracy thread and tapered holes can be tightly attached to the tool. 2、The housing is treated with electrophoretic paint, making the product anti- even in worst environment. 3、By using special anti-th bearing to convert key-applied torsion into superior gripping. 4、The clamping jaws are specially treated to improve wear resistance. 5、Enjoying super accuracy and durability. Specification: Features: 1. High accuracy thread and tapered holes can be tightly attached to the tool. 2. The housing is treated with electrophoretic paint, making the product anti- even in worst environment. 3. By using special anti-th bearing to convert key-applied torsion into superior gripping. 4. The clamping jaws are specially treated to improve wear resistance. 5. Enjoying super accuracy and durability. 1.5-1m 3/8-24UNF: 1.5-1m denotes that clamp the drill between 1.5 and 1m, and 3/8-24UNF represents a screw hole with 3/8-24UNF at the back of the chuck. Specification: Condition: 100% Material: Stainl steel Clamping Range: 1.5-1m / 0.06-0.51in Package list: 1 * 1.5-1M 3/8--24UNF Drill Chuck 1 * Key 1 * 1/4 Hex 3/8 Threaded Extension Rod Package List