LOCK BACK MINI ULT LOCK BACK UTIL KNIFEMini Ultimate Lock Back Utility Knife Blue - Patented Quick Change Mechanism - 2-1/2" Lightweight Aluminum Texture Grip Handle - Key Chain - Lock Back Release - 1 Oz. Total Weight - 4" Ova Length - Accepts Sheffield 12851 Mini Utility Blade1 Oz. Total Weight - 4" Ova Length - Accepts Sheffield 12851 Mini Utility Blade