This Spectre twin metal sleeved high performance keyless chuck can be used for both cordless and corded power tools, air tools and drill presses with the following specification:

Fitment: 1/2 inch x 20 UNF

Hardened and tempered steel is used for the bit clamps at the head and are toothed to make sure you have a tight grip on your drill bit.

Fully compatible with all the major power tool brands, including Makita, Dewalt and Bosch.
Keyless mechanism for quick & easy accessory changes.

Spectre Tools is a quality brand of tools and equipment available exclusively through selected dealers.