Chuck key tightens the jaws of the 1/2 In. capacity chuck 48-66-1360, 48-66-1370, and 48-66-1381. Key holder 48-66-4040 should be used to attach this chuck key to the cord set.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.