Strength
F22 - F42
Durability
Class 1
Colours range from a mid brown to a purple brown and dark chocolate brown often with strong marbling. Very dense and strong.
Ironbark IB-1
Ironbark IB-2
Ironbark IB-3
Ironbark IB-4
Ironbark IB-5
Ironbark IB-6
Ironbark IB-7
Ironbark IB-8
Ironbark IB-10