... Stair Step,Riser,Landing 1.Spiral, Circular, Straight 2.Polished, Honed,Flamed 3.Red,Black,Grey,Yellow,White,Pink Product Name: Granite Stair ... devices are necessaryMore specifications are as below: 1. Shape: Spiral, circular, straight or other customized designs2. colors: gray, pink, red, black ... Stone FactoryTel: 0086-592-2963357 Fax: 0086-592-2963367 Granite Stair Step