The Reese Spare Tire Lock is a heavy-duty lock designed to help prevent theft of your vehicles spare tire and wheel. The unit includes a 4L x 5/16 dia. vinyl-coated braided cable, plus a 40mm laminated steel padlock. The Spare Tire Lock can also be used to provide security for ladders, utilities, and tools. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.