Tri-Flow® Superior Lubricant is a superior, light viscosity lube that allows for deep penetration into hard to reach moving parts. The single-drop precision of the Tri-Flow® Pin Point Lubricator features a pocket clip, protective see through cap. Best of all it’s refillable! High-grade petroleum oils provide optimum lubrication under extreme temperatures (-60 to 475°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.