412 Slick Lube is the most advanced coolant on the market today. A 100% synthetic polymer coolant, which is a unique blend of wetting agents, lubricants, and rust inhibitors. Excellent for drilling and cutting with diamond instruments. Slick Lube contains no nitrosamines, phenols, nitrates, sulphur, chlorine, phosphates, or oil. It controls dermatitis with the addition of skin conditioners. Mix 1 part Slick Lube and 10 parts water and you have the best in a water soluble lubricant.