... lacquered or Unfininsed 2)Finger jointed We offer wood stair landing,solid wood stair treads,interior treads,1)PU lacquered or ... solid wood stair treads is produced by our professional workers, we also can supply you different wood species of stair treadsl in different thickness ... rubber wood, teak, balsamo, cumaru, cherry and so on.2)The normal thickness we make are: 18mm, 21mm, 28mm, 33mm, 45mm etc. ...