First Edge Knives manufactures knives and sheaths built to withstand extreme conditions. Their focus – superior corrosion resistance, high compressive strength, dimensional stability, and high wear resistance. These knives are renowned for their strength, endurance, and ability to perform the most difficult tasks. Designed with and for the military, it won’t disappoint survivalists and outdoorsmen the same. Their sheaths play a vital role in the deployment and preservation of their knives. Brilliant tactical, combat and survival knives. The 5150 Elite Field Knife was designed with input from the US Special Forces who utilise this knife in their applications.