Built with high grade stainless steel our Stainless Steel Indicator Bolt is rustproof, robust and available for long life. The surface is treated with a drawing process for a more wear-resistant use. The simple and modern look works with any bathroom furniture. It is suitable for toilets in public places such as airports, stations, hospitals, office buildings, hotels, shopping centers, etc. Red (busy) and green (free), a universal indication that the room is free or occupied comes in Stainless Steel Indicator Bolt.