102 Gear Lubricant Labelle Industries New Improved Formula, Now with PTFE*LaBelle #102 is an extremely versatite gear lubricant and has an unlimited number of heavy duty uses for home, office, or labratory, such as ----Model Trains: Exposed Gear Boxes (all scales) --RC Models. Exposed gear boxes on all RC models of all sizes and type. Shock Absorbers --Slot Cars: Exposed gear boxes on Slot Cars of all Sizes --Bicycles: Exposed cable rub points, gears. --Fishing Reel mechanisms --Other uses: Exposed gear boxes on all sorts of Household items, squeaky door hinges, Riding toys, musical instrument keys, mechanical toys of all types.**PTFE has been called "the slickest substance known to man" is is the parent chemical of "Teflon" which is registered trademark of Dupont Chemicals.