Main Features
1)  Three-step key-lock system is especially suitable for severe rescue condition, and it minimizes risks of faulty door opening for work at height.
2)  Design with 40KN pulling force is suitable for uncertainty in rescue and high strength use.
3) The asymmetrical lock owns excellent weight and load ratio with fixed long axis position,especially suitable for both sides connection of long axis.
4) Anti-snag system prevents it from catching clothing and fittings,reducing risks of faulty operation.