Granite Stair Step,Riser,Landing 1.Spiral, Circular, Straight 2.Polished, Honed, ... 3.Red,Black,Grey,Yellow,White,Pink Product Name: Granite Stair Step,Riser,LandingWe are producing inside and outdoor Natural Granite ... Stone FactoryTel: 0086-592-2963357 Fax: 0086-592-2963367 Granite Stair Step