Features: * brand new and high quality. *High precision threaded and tapered bore. *Jaws special treatment, with good abrasion resistance. *Gear housing and gear cold pressing jaws. *Accuracy is accurate and reliable, .. *Suitable For: Impact drill and different power electric drill AC DC Specifications: * Material:High Speed Steel * Color:As Pictures Show * Thead size:1/2''x20UNF * Chuck Capacyiy:1.5~13mm * Circular of the handle bar ribsize:1/2-20UNF Package Contents: 1 * Drill Chuck 1 * Key 1 * SDS Plus Shank Note:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.