From the Manufacturer The Bike Lock, Etronic® M10 4-Feet Tuff Links 5-Digit Resettable Combination Anti-theft Chain Lock, 4-Feet x 1/4-Inch is a perfect solution for protecting your bicycle, motorcycle, ATV, skateboards, sports equipment, gates & fences, grills & lawnmowers, tools, tool boxes & ladders, generators, hand trucks, scaffolding, or other valuables against theft. And conveniently it comes with one handy solution, 5-Digit resettable combination locking mechanisms for maximum anti pick resistance and keyless convenience. Set-your-own password combination. Easy to set & reset. Heavy duty tough square-linked, hardened steel chain for strong cutting and sawing resistance. The bike cable is 4' (1.22m) long, large enough to lock up ladders, bikes, gates, fences, grills, tool boxes and other items that need to be secured. What's in the Box - Bike Lock, Etronic® M10 4-Feet Tuff Links 5-Digit Resettable Combination Anti-theft Chain Lock, 4-Feet x 1/4-Inch - User Instruction WarrantyEtronic® M10 4-Feet Tuff Links 5-Digit Resettable Combination Anti-theft Chain Lock is backed by manufacturer 1 year warranty. Please contact us via email if you have any questions.