... , G654, G682, G684, G687 and so on. G654 black granite stair1.Color: grey, white, black, yellow, green, red, brown and etc.; 2.Standard ... upon request; 3. Normal thickness: 2cm, 3cm and ect.; 4. Finish: Polished, honed, flamed, sandblasted, bush-hammered, anti-slip strip, bronze ...