Sargent and Greenleaf recomends AEROSHELL Grease 22 as a libricant for our locking device. Lubicants such as WD40 will eventually gum up the wheels and potential damage the lock.
Below are a list of Companies that sell AEROSHELL Grease 22.
Lockmasters, Inc. 877-558-0222
MBA USA 888-MBA-5495
Howard Sales Security Logistics & Distribution 877-558-0222