Stair Step We supply many kinds of Granite Stairs / Steps, like G603, G635, G654, G682, G684, G687 and so on. Stair Step1.Color: grey, white ... , black, yellow, green, red, brown and etc.; 2.Standard Size: Step,100-150x33cm, Riser ... customer. Welcome to inquiry about our granite stairs/steps products. Stair Step