Master Lock Bicycle Chain Dial Combination Nylon 8mm Chain Chain Green Lock, Lock, Cover, Thickness, 0.9m Length, Anti-theft, 8392JADPROGRN,

This chain lock is perfect for securing your bicycle in parking lots or when you're out and about. It's a keyless type, so you don't need to carry a key. [Size and Weight] Chain: Approximately 8mm in thickness, approximately 0.9m in length, weight: approximately 1,140 grams [Lock Type] Dial type. You can easily set your own preferred PIN by combining four numbers. [Other features] A hardened steel chain that is highly resistant to cutting.