Hoppe’s No. 9 vs SQUEAKS Free Oil: Best All-Purpose Lubricant for Hinges?

Hoppe’s No. 9 vs SQUEAKS Free Oil: Best All-Purpose Lubricant for Hinges? I’ve been testing two popular lubricants that couldn’t be more different: Hoppe’s No. 9 Lubricating Oil, a high-viscosity 75W-140 formula that’s a #1 Best Seller in Gun Lubrication, and SQUEAKS Free Oil, a low-viscosity, food-grade synthetic that’s odorless and non-hazardous. Both claim to … Read more