Tri-Flow Superior Lubricant


This lubricant is like unicorn tears for the Mail Boss mailbox locks… just a couple of magic drops and your sticky lock will be right as rain. We recommend application of this lubricant every few months for preventative maintenance, and any time the lock is catching or sticking.

In stock

Free shipping, Lifeime warranty
SKU: TFT25 Category:


The ultimate lubricant for use with Mail Boss locking mailbox locks, keep this on hand to use whenever your lock is sticking!


  • Superior light viscosity lubricant allows for deep penetration into the Mail Boss mailbox locks and other hard-to-reach moving parts
  • High-grade petroleum oils provide optimum lubrication under extreme temperatures (-60 to 475°F) and humidity
  • Formulated solvents soften and remove dirt and contaminants
  • Special additives displace moisture and prevent rust and corrosion
  • Formulated with P.T.F.E.
  • 1/4 fl oz (7 mL)
  • Free Shipping by USPS included