Features One-Piece Design: Lightweight and compact, facilitating easy for enhanced user convenience. High Accuracy and Clamping Performance: Ensures improved processing efficiency and results, boosting productivity. Self-Tightening Function: Prevents cutting tool slippage, ensuring safety and stability during use. High-Quality Materials: Boasts a premium metal texture, easy clamping, and increased output torsion for reliable performance. Enhanced Stability: Offers superior stability after clamping and installation, ideal for the machining industry. Features: 1、The chuck is a one？piece design, light and small in size and weight, and easy to operate. 2、With high accuracy and strong clamping performance, is helpful to improve processing efficiency. 3、The chuck has a self-tightening function, which can prevent the cutting tool from slipping during use. 4、Made of high？quality materials, has a good metal texture, is easy to clamp, and increases the output torsion. 5、After the straight shank is clamped and installed, the stability is stronger, and it is especially suitable for the machining industry. Specification: Item Type: Drill Chuck Model: 1-1m-MTA3 Material: 40Cr Accuracy: Approx. 0.08mm Clamping Range: Approx. 1-1m / 0.04-0.5in Material: 40Cr Hardness: 40° Maximum Taper Diameter: Approx. 24mm / 0.9in Function: Used to clamp straight shank drills, straight shank milling cutters, center drills, straight shank reamers and other straight shank tools; Application: Applicable to various cutting equipment, lathes, drilling machines, milling machines, chain machines and CNC machine tools in the machining industry Package List: 1 x Drill Chuck Package List 1 x Drill Chuck