... Surface: flat 1)Staircase accessory- Finger jointed beech wooden staircase treads/risers is produced by our professional workers, we also can ... treadsl in different thickness, normally the treads we produce are: Chinese teak, oak, maple, beech, ash, rubber wood, teak, balsamo, cumaru, cherry ... 3) The surface can be PU lacquered or Unfinished4)The treads we make are jointed, so the stability is good and ...