Master Lock Lubricant with PTFE supplied in a 5.5oz spray can. "Dry" PTFE-based formulation ideal for: padlocks, door locks, automotive, marine and multipurpose applications. Cleans area and leaves behind a protective shield against dust, dirt, salt and moisture. Prolongs the life of locks. NSF registered for incidental food contact (H1) for use in and around food processing areas. Food safe, people safe, environmentally safe. Helps de-ice pre-lubricated locks. Wide temperature range of -40F to 500F.