1/2" HIGH QUALITY  TWO SLEEVE METAL KEYLESS HAMMER DRILL CHUCK 
WITH 1/2"-20 SPINDLE THREAD

Good replacement for the following Milwaukee dewalt makita etc

Two sleeve version provides two handed gripping for drills/drivers without spindle lock.
Fits most cordless applications with a 1/2"-20 right handed spindle mount.
Chuck will fit many Dewalt, Makita, Milwaukee, Hitachi, Bosch, Craftsman, Black & Decker, and many other corded and cordless drills.

Chuck length: 2.53" with jaws retracted
Chuck diameter: 1.69"
Capacity: 1/16" - 1/2" diameter bits
This is the heavy-duty 7000 series. The top-of-the-line in this class of chucks.
All metal Series:
Recommended for professional grade corded AC and DC Rotary Hammer Drills
Carbide jaw bite reduces bit slippage and enhances wear resistance—even in the most demanding applications.
 patented Hammerlock® technology provides a positive locking mechanism which prevents loosening in hammer and other high vibration applications.
 patented Anti-Lock prevents chuck from locking open.
Two sleeve version provides two handed gripping for drills/drivers without spindle lock