Make your saw blades cut like butter with Blade Butter by Bench Basics. This environmentally friendly lubricant is biodegradable, efficient, easy to use and manufactured in USA. Apply liberally to your saw blade, burrs, drill bits, and more when cutting in gold, silver, copper, nickel, and other non-ferrous materials including wood. Easily washes off work piece Won't tarnish silver or gold Non-Toxic Odorless Blue Paste