Extends Tool Life A UNIQUE SYNTHETIC EMULSION DESIGNED TO INCREASE TOOL LIFE - For cutting, milling, reaming, tapping and drilling metal, wood and plastics. SHORTENS CUTTING TIME BY UP TO 50% - Provides smoother, cleaner cutting and dramatically longer blade life. REDUCES HEAT AND FRICTION - water-soluble so it cleans up with water. BIODEGRADABLE AND NON-TOXIC.