Oxford BigBoss Alarm disc lock

Oxford's strongest ever lock with an integral alarm.

5 Year life-cycle tested (by Thatcham)
Removable, sealed unit alarm module
Water, vibration, frost and heat-proof
Batteries Included (6 x LR44)
Free Minder Cable 
Three keys & Key replacement service
Can be used as a disc lock or padlock
100db alarm

The Oxford Boss and Big Boss alarm have been Independently approved by Thatcham Vehicle Security, SBSC Intygad Produkt, ART 4074 (14mm version)), ART 4075 (16mm version)