Features High-Quality Material: Constructed from 40CR steel, this drill chuck is quenched and hardened, ensuring exceptional wear resistance and a long service life Effortless Operation: Featuring a self-locking and self-tightening mechanism, this drill chuck allows for easy rotation and secure locking, enhancing your drilling efficiency Simple Disassembly: The innovative design with conical and threaded holes enables quick and hassle-free disassembly, saving you time during tool changes Versatile Compatibility: Ideal for small bench drills and electric hand drills, this drill chuck effectively clamps various drill bits for a wide range of applications Comfortable Grip: Designed with a good metal texture, this drill chuck offers a comfortable and easy-to-clamp experience, ensuring a secure hold on your drill bits Features: 1、The drill chuck is made of high？quality material, quenched and hardened, wear？resistant and with long service life. 2、Self？locking and self？tightening function makes the drill chuck easy to rotate and lock. 3、Conical hole and threaded hole are connected, which makes the drill chuck easy to disassemble. 4、Widely applied to small bench drill and electric hand drill for clamping drill bits. 5、The drill chuck posses good metal texture and comfortable , easy to clamp. Specification: Item Type: Drill Chuck Model: 1-16B16 Material: 40CR Applicable Scene: Small Bench Drill Or Electric Hand Drill Clamping Drill Diameter: Approx. 1-16mm / 0.04-0.63in Purpose: Clamping The Drill Bit Package List: 1 x Drill Chuck Package List 1 x Drill Chuck