ABC grade AA/ AB/ BC grade saw logs - No ring shake - No frost cracks - No brown heart - No rot - Straight all over the length - First length included - Healthy sapwood Diameter: 40cm and up (30% max. of 30 to 39cm) or 40cm+ only Length: 4 meter and up (or 3m+) 20cm as a free trim per logs Big defects deduced on the length and marked by paints Measurement over bark, at the middle of the logs