Spyder Mach-Blueâ„¢ Goo is a high-performance cutting tool lubricant that extends tool life in tough metalworking operations. The thick paste goo sticks to cutting tools and vertical/overhead surfaces. It is an ideal lubricant for drilling, tapping, sawing, milling, threading, engraving, punch press work and more. For use on steel, stainless steel, aluminum, cast iron, high-carbon, nickel-chrome, heat treated steels, monel and a wide range of exotic alloys. It is non-hazardous and is easily cleaned up with a rag or water.