Battery Hold-Downs are designed to protect and secure the battery inside the engine compartment during normal vehicle use. This kit is a great replacement option for broken or faulty original equipment battery hold downs. This is an L-type battery hold down that has 10\" x 1/4\" heavy tempered steel bolts with 1/4\"-20 thread. Each product includes washers and wing nuts, bagged separately in carton, for a quick and easy assembly.