WIRTHCO BATTERY DISCONNECT SWITCH, SOLD INDIVIDUALLY -- 3 in. W x 2 in. H x 4 in. L; Surface-mounted in-line; One side connects to battery cable, the other side connects to the vehicle cable; For concealed installations or where battery box space is limited; Both terminals have 5/16 in. bolts for receiving eyelet cable connectors; With 1-year WirthCo limited warranty.