Tri-Flow excellent lubricant is the excellent, light-viscosity lube that allows for deep penetration into hard-to-reach moving parts. The drip bottle application, with a convenient straw, allows for deep penetration in hard-to-reach moving parts. High-grade petroleum oils provide optimum lubrication under extreme temperatures (-60 to 475 deg F) and humidity. Formulated solvents soften and remove dirt and contaminants, while special additives displace moisture and prevent rust and corrosion. Formulated with P.T.F.E.