Ruko Universal cutting oil concentrate (5 Litre container) can be used for all conventional metal processing. Whether thread-cutting, sawing, drilling, grinding, turning, reaming etc. etc. It has excellent lubricating, cooling and corrosion resistance properties. Even at low concentration tool life is increased. For the more scientifically minded, the product is free of PCB's, formaldehyde, sulfur and sodium nitrite. It is friendly on the skin, is organically stable and corresponds to TRGS 611.