Hoppe's No. 9 Lubricating Oil, 10 oz. Aerosol Can High-viscosity oil refined to perfection Can be used on firearms, fishing reels and other precision mechanisms Does not harden, gum or become rancid Provides extra long service High-viscosity oil refined to perfection Ideal for firearms, fishing reels, and other precision mechanisms Extra-long lasting; Does not harden, gum or expire Includes one 10 oz. aerosol can