Patented AustriAlpin COBRA quick release buckles are, without equal, the safest, most finely crafted, and strongest load bearing buckles available anywhere. They are also the only stab-lock style fastener in the safety products market that will not open while under load. Engineered for: Military, Tactical, Rescue, Fall-Stop, Fire Protection, Police, Aerospace, Theatrical, Search and Rescue, Off-shore, Tie-Downs, Off-Road, Backpacks, Fashion Apparel and much more. Also featured in many Hollywood action films, Cirque Du Soleil, SpaceX Dragon capsule, Super Bowl halftime, Air Warrior, NAVAIR, MRAP… and the list goes on and on. - exceeds ANSI z359.1 - exceeds CSA z259.1 - exceeds NFPA 1983/2006 - and many more standards - Mil-Spec Salt Fog, Blowing Dust and Sand test certified - ISO Quality Control (89/686/EEC Art.11B) - made in Austria - CNC milled for extreme performance and flawless precision - 7075 aluminium with inox & brass components.