Shine reNEW Instrument Stain and Rust Remover effectively removes rust and stain, restoring luster to stainless steel and tungsten carbide instruments. It also dissolves the built-up residue that keeps hinged instruments from moving freely. Quick and simple to use, it eliminates the need for abrasive scrubs and requires only a 5- to 15-minute soak time per cleaning. For more information, call (800) HU-FRIEDY.