This is the ABUS Tresor Combo Chain Lock. The Lock-chain combination is an excellent choice when it comes to securing your bike. Its flexibility means the lock-chain combination is very convenient and offer many ways of locking bikes to fixed objects. A bike that is secured in this way cannot simply be picked up and carried away - which is a real security advantage. ... Features: Features a 7mm square chain with fabric sleeve to prevent damage of the bicycle's paintwork Special touch protection to prevent unauthorized access to the code Two component moulded digits guarantee life-long visibility Individually settable code Good protection in locations with a medium theft risk Specifications: Length: 85cm Lock Style: Chain Lock Style: Combination Diameter: 7mm Weight: 1130g Security Rating: 7 of 15