High quality construction using durable materials provides increased protection and peace of mind when securing your motorcycle. The Oxford Monster features a 12mm square Ni-Cro-Mo alloy steel chain with a cloth sleeve, paired with a double-locking, hardened boron steel padlock for maximum strength and reliability. Here s a breakdown of the key features, benefits and outcomes you can expect from using this product: 12mm Ni-Cro-Mo alloy steel square chain: constructed from nickel-chromium-molybdenum alloy, the chain delivers strong resistance to cutting tools which supports physical security and helps reduce the risk of theft by making it harder to break or saw through. Hardened boron steel armour padlock casing: built with a robust boron steel shell that shields the locking core from impact and drilling, this padlock casing delivers consistent strength over time and contributes to reliable protection in daily use. 11mm hardened steel shackle: designed using high-strength hardened steel