... your design. 5. Usage>>> Mainly for hotels, restaurants, the lobby, home decor 6. other information>>> Surface Treatment: Polished, Honed, Flamed, Ancient, Tumbled ... , +/-1mm Thanks for your time to read this product information, i hope it can help u. If you want to know ... more, please contact Ms. Guo (TM: cn220202095) I am waiting for your message. Stair Steps