Reasons for selection:1. This metal chain lock features a manganese steel lock body, fine workmanship, a thickened chain that is firmly welded, a smooth surface, and is not easily broken. The chain is flexible, waterproof, rustproof, corrosion-resistant, and durable.2. This simple and aesthetically pleasing chain lock uses a thickened lock beam and a computer lock cylinder design. The lock head is sturdy and secure, effectively preventing prying and theft. 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: Black; Material: Manganese Steel; Total Length: 1250 mm / 49.21"; Chain Thickness: 4.4 mm / 0.
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