Secure and Resettable: Chain lock with 5-digit quick-reset combination, much more secure than other 4-digit locks. Combination easy to set up and reset. Good performance cable: Strong inner core protection, better anti-theft effect which provides more security, PVC coating prevents our bicycle lock from scratching your bikes, racks, golf carts, luggage, etc. / p> Made of high quality ABS engineering materials. High-quality keyhole workmanship, high-strength and durable keyhole frame, strong pressure without distortion. Multipurpose: ideal for bikes, skateboards, gates and fences, railings and mowers, sports equipment, tool boxes and ladders. This is a resettable combination lock, you can reset the combination as often as you want. Technical reference Model: TY566. Dimensions: length 1200 mm, diameter 12 mm. Materials: stainless steel, plastic with ABS PVC device. Scope: motorcycles, electric cars, bicycles, sliding iron door, glass door, etc. Product features: Comprehensible anti-perforation and anti-sawing cylinder. With a waterproof protective cover. Standard level in accordance with modern environmental requirements. The shell is made of high quality ABS plastic. High temperature resistance, does not crack, does not deform. Instructions for use: This lock is preset to a combination of 00000. To set your own combination, follow the steps below: 1. Set the combination to 00000 and remove the cable. 2. Turn the knob 90 clockwise to the designated position. 3. Reset the combination wheels to the desired combination, making sure the numbers line up on the pointer. 4. Once your combination is selected, turn the handle to the original position in counterclockwise. 5. The new combination is now defined. 6. Repeat steps 15 above to reset the combination whenever you want.