Species       :   Spruce (WW) , Pine (RW) , Siberian Larch  

Dimensions, mm

22 x 100 / 125 / 150 

25 x 100 / 125 / 150 
32 x 100 / 125 / 150 

47 х 100 / 125 / 150 / 200 / 225 / 250

50 х 100 / 125 / 150 / 200 / 225 / 250

63 х 100 / 125 / 150 / 200 / 225 / 250

75 х 100 / 125 / 150 / 200 / 225 / 250

Quality
SF = AB
SF + VI = ABC
VI - = (NSF) = C
VII = D = fault