Heavy Duty Motorcycle & Bike Chain Lock, 1.5M/5FT 12mm Cut Resistant Security with 16mm U-Lock 3 Keys, Anti-Theft Lock for Generators, Gates, High Value Bicycles【12mm*1.5M】

12mm Cut-Resistant Manganese Steel Chain Hardened manganese steel links (HV 830 hardness) resist tension, shear and tool cuts; rust and corrosion-resistant finish for all outdoor weather including rain and salt spray. Premium Anti-Theft U-Lock with Solid Lock Head and Pure Copper Lock Cylinder for enhanced security and durable anti-theft performance. Flexible O-Ring Design Allows easy length adjustment to fit different locking requirements and various applications. Scratch-Proof Waterproof Nylon Sheath Protects vehicles and furniture from scratches, while improving wear resistance and durability. Heavy-Duty Welding and Hexagonal Connection Design Harder than standard alloy chains, effectively resists hand tool attacks and provides reliable protection for motorcycles, scooters, gates, toolboxes and more.