Sound wood with natural uniform colour and structure. Knots with diameters up to
20–25 mm. Sound knots in basic coloration, filled in the same colour. On edges there can be sound sapwood 4–5 mm wide and 50 cm long.
Material without greater differences in colour and wood structure. No sapwood. Sound knots up to 3 mm. Dark knots up to 1 mm.
Material without greater differences in colour and wood structure. No sapwood. Sound knots up to 3 mm. Dark knots up to 1 mm.