Lubegard 81915 Bio-Tap Drilling and Tapping Fluid, 15 oz. Used to facilitate tapping of holes and threading of rods, Eliminates Galling and Seizing and Reduces Friction for Longer Tool Life Eliminates solvent degreasing chemicals, vapor degreaser dangers and high VOC solvents, Aquatically non-toxic and Fully biodegradable Reduces worker dermatitis and asthma related symptoms, Can be extended with water for cost savings and Improves Tool Performance Washes off with water, No obnoxious fumes, Safe and easy to use and clean up and Non-flammable NFPA rating of 1 for Fire and Safety, and 0 for Reaction Does not contain chlorine, phenols or toxic metals and Very low coefficient of friction