Sanwo Security Bike Lock 4 Digit Resettable Combination Cable Lock for Bicycle, 2 Feet x 1/2 Inch 4-digit combination locking mechanisms for keyless convenience, easy to use Engineering plastic shell and flexible steel cables, solid durable Only 2 feet length, more convenient to use and carry up Easy to set your own personalized number combination, but please don't forget the number Ideal for bicycles, skateboards, sports equipment, fences, tools, tool boxes