The Bicycle Depot THICK Spiral Automatic Combination Lock is a heavy duty combination lock.Comes with a coiled design and attachment bracket, 10mm x1000mm Changeable Combination With Clip On Bracket BK-062Product Features Bike lock features a 10mm diameter twisted steel cable 1000mm which is lightweight and sturdy so can be carried easily. High-performance braided steel cable provides strength, flexibility, and resistance to cutting and sawing. A reinforced Alloy lock head construction also improves security. Protective vinyl coating for added weather and scratch resistance. Ensure you are securing your bike to a fixed object in a well lit location.Self Coiling Steel Cable With 5 Embossed Digits In Black Tabs New Combination Lock Head Free Code 1000mm X 10mm Black Body with Dark-Smoke Casing With Clip-On Bracket For Seatpost 4.5 mm Inner Wire Each In A PolybagHow To Set 1: Open the lock with the default combination (00000). 2: Rotate the built-in rotary knob according to the indicated direction. 3: Set your new combination. Please make sure each key is aligned with the markings. 4: Rotate the knob counterclockwise back to its normal position. 5: Anytime you need to reset the combination, simply repeat the above steps.