Blue Ox Towing Accessories Kit for Alpha and Aventa LX Tow Bars - 7-Wire to 6-Wire - 10,000 lbsBlue Ox Towing Accessories Kit for Alpha and Aventa LX Tow Bars 7 Wire to 6 Wire 10,000 lbs Get everything you need to tow minus the tow bar itself with this all inclusive accessory kit. Wiring harness, bulb and socket tail light kit, receiver and base plate locks, tow bar cover, and diodes are included. Features: 5 8" Receiver lock secures your tow bar to your RV's 2" trailer hitch receiverIncludes 2 keys (2) 1 2" Deadbolt style locks secure your tow