Reasons for selection:1. This chain lock features a manganese steel lock body and a brass lock cylinder. The lock head is smooth and burr-free, with a black canvas design that is waterproof, sunproof, wear-resistant, stain-resistant, corrosion-resistant, rust-proof, cut-resistant, and durable.2. The cloth-covered chain lock features a secure atomic lock cylinder design with a complex structure and a robust, secure lock body. It is resistant to duplicate key unlocking, effectively preventing theft. Each lock comes with two keys for convenient management and use by different personnel.Measurement:Color: Black; Material: Manganese Steel/Brass; Total Length: 1200 mm / 47.24"; Chain Thickness: 5.2 mm / 0.
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