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Main Features
1) The lock and gate use key-lock system,the interface is level with anti-snag function,the rope is winding rapidly when descending;the direction of oval-shaped lock is fixed by any long axis,suitable for rapid descent of spiral rope.
2) Screw-lock system (SL) works stably and reliably in dusty,muddy or icy condition,suitable for infrequent door opening and closing.
3) Anti-snag system prevents it from catching clothing and fittings,reducing risks of and increasing descending speed.