... -35x2/3cm 3.Client' request 4.ISO9000,CE Natural Stone Stair ( Marble,Granite,Basalt,Limestone,Sandstone,etc )1. Finish: Polished/Flamed/Sandblasted ... : L 100-150 x W 13.5-17 x 2cm4. Step edge finish: Bevelled,1/4R,1/2R,Ogee,Bullnose,Laminated ... ,G640.G633,G654,G682,G635,G636.G664.G687.G696,Black granite,etc.Welcome customers' design for projects !!! Black Granite-Outdoor Stone Stairs