Finger jointed beech wooden staircase treads/risers 1)PU lacquered or Unfininsed 2)Finger jointed 3)Surface: flat 1)Staircase accessory- Finger jointed beech wooden staircase treads/risers is produced by our professional workers, we also can supply you different wood species of stair treadsl in different thickness, normally the treads we produce are: Chinese teak, oak, maple, beech, ash, rubber ...