UseInstall on sidewalks surfaces assist the vision impaired people,Website:http://www.lifestylecasting.com, the elder and children walk safelyApplicationBeing requied to be installed to an approaching hazard or change of direction along a path of travel , such as footpath, passageway, walkway, ramp, stairs or landingMaterialStainless steel, brassColorYellow, gray, green or as your requestPurpose LocationAirport, railway station, public walk way, mall, etc