The ultimate chain lock for high theft areas11 mm six sided chain links made of triple heat-treated boron manganese for the ultimate strength in a chainNarrow inner width of individual links defends against leverage attacksIncludes maximum security New York disc lock with 14 mm hardened steel shackleHardened steel sleeve over crossbar for double securityDouble deadbolt locking for extensive holding powerSliding dustcover protects cylinderDurable nylon protective cover prevents scratching your precious equipment3 keys: one lighted with high intensity bulb and replaceable batteryApproved to Gold Sold Secure standard
