Half Moon Hatchet Knife The knife is 9 inches overall in length. The blade itself is quite impressive as it is shaped like a half moon and is 5 1/2 inches long. The outer radius is a smooth sharpened radius and the inner radius is a sharpened jagged edge. The Stainless Steel Blade continues as one piece through the handle which is encased by wood panel hand guards A custom leather sheath is included with this sword.