Custom Sub Hilt Knife 124 by Stonewood Designs. Steel: O1 tool steel (Starrett) OAL: 13-5/8” Thickness: 5/16” Blade Length: 8” Cutting edge: 7-1/2” Blade depth: 1-7/8” (at widest point) Handle: Micarta Sheath: Leather Custom sub-hilt knife with false top edge. Acid etched, cold blue O1 Starrett tool steel. O1 bolsters. 59-60 Rockwell hardness Leather sheath with multi carry options and accessory straps.