Tolerance : only plus 0~2mm Spruce/pine KD dry, KD dry 8-12%, no wane, no rot, no twist Measurement: We use JAS SCALE Measurement. Quality: wooden cottage , door , window , interior, furniture wood for making, straight, no rotten, no cracks, no holes. Grade: KD dry NOTE: Let us know the exact dimensions you will need so that we can give you a quote.