Oxford Boss Alarm Disc and Chain Lock

The Boss Alarm Disc with Chain is Oxford's strongest ever lock and is easy to use with a super strong chain. The Boss Alarm Disc can be used alone as a disc lock.

Features:

• New high security triple heat-hardened 12mm square link chain
• Pick-resistant, hardened steel double locking mechanism
• Ultra lightweight for ease of transport
• 5 minute attack tested
• 100+db alarm
• Removable, sealed unit alarm module
• Water, vibration, frost and heat proof
• 3 keys included
• Carry pouch, minder cable and batteries included
• 14mm diameter x 42mm wide x 75mm long shackle
• 1.2M (approx. 4') 10.10 lbs
• 1.5M (approx. 5') 12.10 lbs
• 2M (approx. 6'6") 15.80 lbs