Kryptonite New York M18 WL U-Lock Constructed for the toughness of a 1990s New York City, the Kryptonite New York M-18 U-Lock attains the highest security rating from Kryptonite, a solid 10 out of 10. It employs an 18mm hardened steel shackle combined with a dual deadbolt locking mechanism for superior anti-theft resistance. Designed with high-security disc-style cylinders, it effectively resists picking. To safeguard against potential damage to frames and surfaces, Kryptonite has incorporated a vinyl coating to prevent scratches, and it comes complete with a mounting bracket for convenience. Features: Kryptonite Security Rating: 10 of 10 WL “With Light” model includes 1 (of 3) keys with integrated LED light Same 18mm hardened steel found on the Kryptonite Fahgettaboudit lock with long shackle Patent-pending hardened double deadbolt for additional protection against twist and cut attacks Highest security disc-style cylinder is pick and drill resistant Sliding dustcover to protect from dirt and debris Vinyl coating protects bike finish 3 stainless steel keys plus Key Safe Program for replacement keys FlexFrame U-Bracket providing convenient multi-location u-lock transport Lifetime warranty direct from Kryptonite Anti-Theft Protection Offer With a paid registration, registered owners can be reimbursed in the event of theft due to the opening or breaking of the lock by force Specifications: Diameter (mm):18 Length x Width (inches):3.9 x 10.3 Lock Type:Key Security Rating:10/10 Weight (lbs):6.1 Note: On eligible locks, customers can opt into Kryptonite’s Anti-Theft Protection Offer (ATPO). Purchase a 1-year or 2-year plan for up to $5,000 dollars in theft coverage. ATPO is only available on locks with a Security Rating of 5/10 or greater. See full details, verify eligibility and get registered here.