1.stainless steel tube used for stair railings, windows guards, Doors, ... high bright polish From the nature, To the excellence NameStainless Steel Weled TubePositionDeck Railings / Handrails, Porch Railings / Handrails,Stair ... / Hairline400G, 500G, 600G or 800G Mirror finishApplicationDecoration, construction, Sanitary, food industry, upholstery, industry instrument TestSquash test, extended test, ...