Specifications: Pine wood logs Length - 4m Grade - 1,2,3 Diameter from 20 cm up to 60 cm Pine wood logs according to GOST 9463-88 Grade - 1,2,3 Diameter d= 20-24 cm (20%) d=26-34 cm (60%) d=36+cm (20%) Length - 4m(40%) 6 m(60%) fresh cut logs without root or crook