Hoppe&';s #9 high viscosity lubricating gun oil has been a staple among shooters and outdoor enthusiasts for years. The formula used is designed to be used in conjunction with firearms, fishing reels, and other precision mechanisms. Hoppe&';s #9 does not harden, gum up or become rancid which means that it&';s safe to keep around for long periods of time. This oil provides exceptional protection and long service life even when compared to other popular brands.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }