1/2" Jacobs Two Sleeve Metal Keyless Hammer Drill Chuck 

1.5mm-13mm Chuck Capacity 

1/2"-20 Sprindle 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.

Straight Through Hole For SDS Adaptors To Fit