about this project 4-digit Combination Anti-theft Bike Lock: This bicycle lock is a secure 4-digit resettable combination cable lock with 10,000 different combinations, more secure than less than 4-digit combinations, you can combine as many as you want . DURABLE CABLE LOCK - The lock and combination are made of high-quality ABS material, the outer shell is hard, feels good, and has a longer service life, this combination bike lock is made of PVC high-strength composite steel wire wound steel cable, strong inner metal cable Protect your bike from sawing tools. EASY TO USE - The design of the mini cable lock body allows you to carry it any way you want, put it in your clothes pocket, bike handlebars, under the seat cushion, etc. WIDE APPLICATIONS - This versatile lock cable can be used on bicycles, skateboards, gates, fences, grills, lawn mowers, sports equipment, tool boxes, ladders and more. If you have any comments on our products, please contact us immediately. We will solve it for you in time.