Spruce log diameter:18cm+up Possible lengths 4; 6m. Minimum order is 200 m3 Loading port is Saint Petersburg, Russia Our grading rules: Quality grades : Grade A/B/C quality Diameter 18cm+up Allowed healthy knots, no limited, but the maximum knots diameter 6cm, allowed unhealthy knots, maximum one knots each one meter, not allowed branch, rot, crook 2%., Fresh cut logs, brown or red heart: not exceed 50% of diameter at the measured Measurement: measured by the diameter of the thinner end of the log (under bark). Should be according to GOST
