This Battery hold down kit is used to secure the battery in your vehicle. This kit is a great replacement option for broken or faulty original equipment battery hold downs. Each battery hold down kit includes a rubber hold down cross bar, two j-bolts, two rubber washers, and two wing nuts. The battery hold down has a 6 7/8 inch thread length. Product Features:Rubber Hold-Down Kit 6-7/8 w/bolts & NutsSecurely holds battery downPrevents battery vibration to help extend life of the battery