For all brands of diamond compounds. This Oil-Soluble Lubricant keeps the diamond abrasive in suspension, allowing the compound to cut at peak performance. When added to Diamond Compound, lubricant thins out the mixture, creating a slurry and extending the compound. Available in a variety of sizes, including this one in the reusable squeeze bottle and also available in a spray bottle for moistening felts prior to diamond compound application.  Color may vary.