... factory 4.Customized size,design Specification:Modern interior stair railings design1: Materialmarble,granite etc...2:ColorWhite, Grey, Brown etc...3:Factory ... Eased, Beveled, Bull nose, Ogee, Cove, Dupont, laminated, non-laminated and etc.6:Production Lines:Slabs, Tiles, Skirtings, Window sills, Steps ... /3cm Steps&Stairs -110-160 x 32/33 x 2/3cm ,Risers: 110-160 x 14/15 x 2cmSlab: 2400upx1200upx16/25 ...