Axes, much like Vanilla Minecraft Axes, have a high damage range and can be used to harvest wood and also as a weapon. All axes except Ironwood Axe have the attack speed of 1.
The Ironwood Axe is an axe made from Ironwood. When crafted, the enchantment Fortune I will be automatically enchanted. If used as a weapon, the axe has an attack damage of 7 and attack speed of 0.7; same as a wooden axe.
The Steeleaf Axe is an axe made from Steeleaf. When crafted, the enchantment Efficiency II will be automatically enchanted. If used as a weapon, the axe has an attack damage of 8; slightly weaker than a diamond axe.