Features MANGANESE STEEL MATERIAL - Our chuck shaft is built with premium manganese steel material, with cooling, blackening and oxidation resistant treatment for unparalleled strength, durability, and longevity. EFFICIENT AND ACCURATE: Our chuck is expertly designed to deliver accurate results every time, ensuring you achieve the perfect holding effect every time you use it. WIDELY USED: Perfectly suited for a variety of industrial applications, our versatile chuck is a must-have for threading, drilling, milling, drilling, and even pneumatic tools, making it an essential addition to your tool kit. TIME SAVING: Experience effortless installation and switch between applications with our easy-to-use chuck, which features a quick and simple assembly process that saves you valuable time and effort. IDEAL REPLACEMENT: Wonderful replacement for old and damaged parts, fine workmanship, attention to details, help you improve work efficiency! Specification: Item Type: Drill Chuck Material: Manganese Steel Crankset: MT2. Connection method: screw Package List: 1 x Drill Chuck 1 x Storage Box Package List 1 x Drill Chuck Arbor 1 x Storage Box