Someone looking for a tougher knife for everyday carry should check out the new Eagle Heavy Duty knife by Al Mar Knives. The blade is made in laminated SDP-189 steel, and comes in Earth/brown scales. ZDP-189 metal is powdered, with a 3% carbon content that Al Mar Knives heat treats to 64Rc. The Eagle HD weighs 3 oz., has a blade thickness of .10", and a blade length of 9". This knife also comes in International Orange and blue G-10 scales exclusively through their custom shop.