Milwaukee Chuck Key K4
This chuck key tightens the jaws of the 3/4 in. capacity chuck (model numbers 48-66-2000, 48-66-2040, 48-66-2080 and 48-66-2085). Key holder 48-66-4020 should be used to attach this chuck key to the corset.
Easy replacement
Great value
Use with key holder 48-66-4020
For use with chucks 48-66-2000, 48-66-2040, 48-66-2080 and 48-66-2085