... risers,marble stairs,staircase,stair treads,stair,step,bullnose stair,granite stair riser,granite stair tread,stone stairs,granite steps,marble steps, ... stone steps, marble stair treads,stone treads,marble stair riser,marble stair tread, window sill, stone window sill, window bench,granite ... The stone stairs usually have Anti-slip line also.The riser size 105-160x16x2cm,the short edges with eased and ...