Knives of Alaska Magnum D2 Steel Ulu Black. The Magnum Ulu is 3-3/8in across making it small and compact enough to be easily carried. Specifications for Knives of Alaska Magnum D2 Steel Ulu: Manufacturer: Knives of Alaska Handle Finish: Smooth Blade Finish: Peened Blade Material: D2 Steel Additional Features: Rockwell Hardness - 59-61 Bevel 30deg Included Accessories: Leather Sheath General Application: Fleshing Color: Black Blade Length: 3.375 in Sheath Material: Leather Condition: New Handle Material: Suregrip Country of Origin: USA Features of Knives of Alaska Magnum D2 Steel Ulu: Metal: D2 Steel; Rockwell Hardness: 59-61; Bevel 30deg; Blade Length: 3 3/8in Included Accessories: Leather Sheath Package Contents: Knives of Alaska Magnum D2 Steel Ulu Knives of Alaska 00122FG: Magnum D2 Steel Ulu Black