Built as the new workhorse for Fire Industrial Rescue Safety and Tactical industries the G-FIRST is the world&39;s lightest carabiner to earn the full-strength &34;General&34; rating from the National Fire Protection Association&33; Rated to 40kN this &39;biner weighs only 4.6 oz. almost 10&37; lighter than other G-Rated aluminum &39;biners and less than half the weight of steel carabiners. G-FIRST is ISO Cold Forged from aircraft quality heat-treated aluminum. Get them in all-purpose bright Rescue Red or Covert Black. Whether you&39;re fighting fires working at height saving lives or in a combat zone the G-FIRST has you covered.