G636 Granite step We supply many kinds of Granite Stairs / Steps, like G603, G635, G654, G682, G684, G687 and so on. G636 Granite step1.Color ... : grey, white, black, yellow, green, red, brown and etc.; 2.Standard Size: Step,100-150x33cm, Riser ... must be comfirmed by customer. Welcome to inquiry about our granite stairs/steps products. G636 Granite step