... >>> we can do it as your design. 5. Usage>>> Mainly for hotels, restaurants, the lobby, home decor 6. other information>>> Surface ... Degree: 90 degree up; Thickness tolerance: +/- 0.5, +/-1mm Thanks for your time to read this product information, i hope it ... more, please contact Ms. Guo (TM: cn220202095) I am waiting for your message. Natural Stone Staircase For Star Hotel