Eucalyptus Grandis KD14% Grade B - Could have 4 to 8 knots per piece. Width 100mm above. santandard lenght is 3000mm and 5500mm, cracks limit less than 10% of lenght part. No pith. No bark. No blue stain. More quantity on 40 and 35mm thickness lumber. But they have a couple 38mm. 40-38-35mm thickness Eucalyptus KD15% - Grade B - thickness 40-38-35mm, Width 100mm above, Length 2100mm above Standard length is 3000mm and 5500mm.