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 ... other customized size 4. Pop granite material: G682, G603,G664, G635,G684,G654, Tiger skin yellow, Tiger skin white5. Surface Finishing ...