I lost my cover lock key August 6, 2025 0 Likes 29 Views Share: TwitterFacebookRedditVKDiggLinkedinMix The ECL-405 (DTX00XX) represents key numbers from 11 to 20. This ID will also be engraved on the key you are looking for. The CL-1 is for the EAX-3500, which is a wafer lock, not a screw cover. Learn more about the cover lock and cover lock keys here