IMPORTANT: Choose the key that matches the SHAPE (pointy or square) and NUMBER of teeth. There are 22 variations to choose from!.If your lock has pointy teeth (star-like pattern), choose between keys ABC0-ABC9 (count the teeth carefully — it helps to take a picture)..If your lock has square teeth (flattened off at the ends), choose between keys #51-#62 (count carefully)..Flip between the different style keys listed here to make sure you order the exact one you need..Keep an extra key in your car for emergencies! We recommend storing one in the trunk near the spare tire and one in the glovebox or center console. Own a shop? Consider buying the sets.