Oak and ash lamella (veneer) thickness varies from 3mm to 6mm, mixed cut, width from 100 mm, length from 0,5 m to 2 m. selections: Premium is smooth, calm colors and texture collection, almost without wooden knots, (several light knots up to 9 mm, dark knots up to 5 mm and small dark live knots are admissible), natural color difference is admissible. Natur Luxe is mild and warm natural tone collection, live light knots up to 35 mm, dead (dark) and filled knots up to 8 mm are admissible, contrast colors and wooden heart shakes (or star shakes, coming from the center of the wood) are also admissible.