Model Trains: Exposed Gear Boxes (all scales)
RC Models: Exposed gear boxes on all RC models of all sizes and type and 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.