Iroko is a large hardwood tree from the west coast of tropical Africa that can live up to 500 years.
Oak is a tree or shrub in the genus Quercus of the Beech family. There are approximately 600 species of Oaks.
American Black Walnut is a medium to large hardwood, native to the eastern regions of North America. There are two different components to walnut wood. The outer layer is called sapwood and the inner layer is called the heartwood. Walnut sapwood has a creamy white colour. The walnut heartwood colour ranges from a golden or light brown to dark chocolate brown colour, and sometimes with narrow streaks of a darker purplish-brown.
Beech (Fagus) is a deciduous tree in the family Fagaceae, native to temperate Europe, Asia, and North America.