The Kryptonite New York Fahgettaboudit Chain Lock is made of triple heat-treated boron manganese for the ultimate strength in a chain. It features 14mm six-sided hexagonal chain links with a narrow inner width to defend against leverage attacks. The New York Disc Lock ensures maximum security while the nylon protective cover keeps your bike scratch-free. This chain lock features double deadbolt locking, making it one of the most secure locks on the market. The lock is available in two sizes and it has been approved to Motorcycle Gold Sold Secure standard as well as Thatcham CAT3. Kryptonite New York Fahgettaboudit Chain Lock Features 14 mm six-sided hexagonal chain links Includes maximum security New York disc lock with 15 mm ovalised hardened steel shackle Hardened steel sleeve over crossbar for double security Double deadbolt locking for extensive holding power Sliding dustcover protects cylinder Durable nylon protective cover prevents scratching your precious equipment 3 keys: one lighted with high intensity bulb and replaceable battery 100 cm/ 3 feet 3 inches long Approved to Motorcycle Gold Sold Secure standard, and Thatcham CAT3