45KN High Quality High Strength Classic D Self-Locking Carabiner, Double Locking Carabiners 45KN High Quality High Strength Classic D Self-Locking Carabiner Cold formed steel,Heat treated Gate Size:24mm Min. Breaking load: 10000lbs/45kN Net weight: 278g Meets or Exceeds: ANSI Z359.12-19 CSA Z259.12-16 EN362-2004