... risers 1)PU lacquered or Unfininsed 2)Finger jointed 3)Surface: flat 1)Staircase accessory- Finger jointed beech wooden staircase treads/risers is ... different thickness, normally the treads we produce are: Chinese teak, oak, maple, beech, ash, rubber wood, teak, balsamo, cumaru, ... surface or handscrapped surface7) Packing : Cartons with wooden box Finger jointed beech wooden staircase treads/risers