4-digit number locking mechanisms for keyless convenience, easy to use. Technical plastic shell and flexible steel cables, solid and durable. Only 60 cm in length, more convenient to use and carry. Simply set your own combination of numbers, but please don't forget the number. Ideal for bicycles, skateboards, sports equipment, fences, tools, tool boxes. Product Color: black This is a resettable combination lock, you can reset the combination as many times as you want. Operating instructions: This lock is preset to work on 0000. To set your own combination, follow the steps below. Select the combination wheels on 0000 and pull the cable back. Turn the knob 90 degrees clockwise to the position provided. Reset the combination wheels to the desired combination to make sure the numbers match the pointer. Once you have selected your combination of numbers, turn the button counterclockwise back to its original position. The new combination is now set. Repeat steps 1-5 to reset the combination at any time. Note: Please don't forget your password. Otherwise we cannot help you. Scratch-resistant: The protective ABS coating prevents our bike lock from scratching your bikes, grills, golf carts, luggage, etc. Weatherproof - bike locks withstand the effects of wind, rain, sun and rust. Durable, super cut resistant, reliable; no keys, password adjustable, easier to use. Technical plastic housing and flexible steel cables, solid, durable, no cracks at low temperature, high temperature without distortion. Cable and hose, non-toxic and tasteless, symbol for national and EU environmental standards and requirements. Integrated, resettable 4-digit combination lock with indexed dials for error-free combination setting, the original password is 0000 and easy to reset. Size: 0.6 m long x 12 mm diameter.