Labelle Coupler Lubricant with PTFE** for "HO", "N" and "Z"
scales
--Ideal for keeping your operating knuckle couplers in good
working order.
--Ideal for track switch motors, switch mechanisms, and switch
point throw arms.
**PTFE has been called "the slickest substance known to man" is
is the parent chemical of "Teflon" which is registered trademark
of Dupont Chemicals.