11mm six-sided, chain links made of triple heated boron manganese steel for ultimate strength
Narrow inner width of individual links defends against leverage attacks.
Durable, protective nylon cover.
Includes maximum security New York Disc Lock with 14mm MAX-Performance steel shackle.
High security disc-style cylinder.
Hardened steel sleeve over crossbar for double security.
Double deadbolt locking for extensive holding power.
Sliding dustcover protects and extends cylinder life.
3 keys – one lighted with high intensity bulb & replaceable battery.