DEWALT DT7002 Keyless Chuck 13mm
is no longer available although you may find similar or newer versions below:
The DEWALT twin plastic sleeved keyless chuck can be used with both corded and cordless drills with the following specifications:
Fitment: 1/2 inch x 20 UNF.
The DEWALT DEWDT7002QZ keyless chuck has the following chuck capacity: 13mm