Features Self-Tightening Key-L Feature: Experience effortless operation with the innovative self-tightening design, ensuring secure grip and minimizing slippage for enhanced performance Premium Steel Construction: Crafted from high-grade steel, this durable tool delivers exceptional strength and longevity, making it perfect for demanding machining tasks Heavy-Duty Design: Engineered for stability, the robust construction is ideal for CNC lathes, milling machines, and drill presses, providing reliable performance in various applications High Precision & Gripping Force: Achieve superior accuracy with a design that offers high gripping force, ensuring stability and precision during operation for optimal results Compatible with Multiple Drill Sizes: Versatile compatibility accommodates a range of drill bits, enhancing your productivity and making it suitable for diverse projects and tasks Features: 1、 and 2、Drill Chuck has self-tightening key-l feature,easy to use 3、Made of premium steel material with high hardn, sturdy and in use 4、Heavy design, suitable for CNC Lathe/milling, drill pr. 5、High precision, high gripping force, high reliability and stability. Specification: Features: and Drill Chuck has self-tightening key-l feature,easy to use Made of premium steel material with high hardn, sturdy and in use Heavy design, suitable for CNC Lathe/milling, drill pr. High precision, high gripping force, high reliability and stability. Specification: Clamping range :1-16mm Accuracy: 0.005 Product list: 1 x Drill Chuck 1 x Shank Package List