Reasons for selection:1. This chain lock features a zinc alloy lock body and a brass lock cylinder, with solid, fully welded construction. The chain is flexible, strong, waterproof, wear-resistant, corrosion-resistant, rust-proof, and durable.2. This simple and aesthetically pleasing chain lock uses a pure copper lock cylinder design. The lock head is sturdy and secure, effectively preventing theft and prying. Each lock comes with two keys for convenient management and use by different personnel. Each lock comes with two keys for convenient management and use by different personnel.Measurement:Color: Silver; Material: Alloy Steel/Brass; Total Length: 1020 mm / 40.16"; Chain Thickness: 5 mm / 0.
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