Description Hoppe’s Traditional Lubricating Oil is high-viscosity oil that has been refined to perfection. It is extra-long lasting and does not harden or gum up. Created to be the perfect oil to use after cleaning a firearm bore with Hoppe’s Tradition No. 9 Gun Bore Cleaner by ensuring it neutralizes the cleaner and leaves behind an even coat of lubrication for lasting protection. High-viscosity oil refined to perfection. Extra-long lasting. Does not harden or gum up. Precision tip applicator. Great to use with Hoppe’s No. 9 Gun Bore Cleaner. Neutralizes Hoppe’s No. 9 Gun Bore Cleaner.