The Master Lock chain locks are perfect for securing bicycles due to their good transport possibilities and universal applicability. A nylon cover protects the bike from scratches. With hardened steel chain for higher protection against attacks with saw or bolt cutter. Type: D lock Theft protection: Basic security Material: Steel / Nylon Closure Type: Key lock Additional Information: - Mini padlock with double locking system offers additional security - Certifications: Sold Secure Silver - High cut resistance Weight: 2350 g Security Level: 9 Key: 4 Chain Lock Size Dimensions Chain Length: 900 mm Chain Link Diameter: 10 mm