Review on 🔧 Revive Your Tools with Tool-Savers TopSaver Rust Remover and Lubricant - 8 oz by Mike Snedeker

And weighs 214.55 grams (7.57 ounces). The? Well it's liquid. When you go to the supermarket, do you buy milk by the pound? gas per pound? No, you buy by the liquid measure, quarts, gallons (liters in the rest of the world). The Material Safety Data Sheet (MSDS) for Empire TopSaver states that TopSaver Fluid has a specific gravity of 0.75. The bottle contains 8 fl oz and the specific gravity of the liquid is 75% of the density of water. A little math: 8 x .75 = 6. I would venture a guess that an empty bottle and pump may weigh around 1.57 ounces.