Absolutely defect-free.D4 glue laminating.Various wood species. Wood species:American white oak, American red oak, American black walnut, American cherry,Ash, Beech, Canada hemlock, Pine, Teak, Wenge.FAS grade or Common 1 grade sawn timber.Solid or Finger -jointed.Thickness: 6-50mm;Width: 0-1300mm;Lengh:0-6100mm.Grade: AA, AB, BB, BC, CC. Edge Glued Panel