Black walnut round wood slice with bark. Biggest part : 47 cm / 18,33 inch. Smallest part 38 cm / 14,82 inch. Thickness :4,2 cm / 1,636 inch. Weight :2,85 kg / 6,27 lbs.A piece of 200 year-old wood. Sanded both parts with 100 sandpaper. Treated with anti woodworm solution. Ideal for epoxy workers and other wood workers too. This item is made of walnut.