... .Color: grey, white, black, yellow, green, red, brown and etc.; 2.Standard Size: Step,100-150x33cm, Riser ... bar etc.; 5. Packing: Fumigated wooden crates; 6. Quality control: Polished degree: More than 85 degree, as ... tolerance: +/-1mm, +/-1.5cm or +/-2mm, The quality requirements must be comfirmed by customer. Welcome to inquiry ... monument, etc Granite step stone stairs with high quality and low price