... Description Granite Staircase,Granite Stair,Granite Stairway, Granite riser, Granite Steps,Granite treadMarble Staircase,Marble Stair,Marble Stairway, Marble riser, Marble ... ,Stone Stair,Stone Stairway,Stone riser, Stone Steps,stone tread1)Standard size:1). Stone Steps& Stairs: 110-150x30-33x3cm (stair treads)Finishes: Top ...