Endurance Multi-Tow Adapter, 7 RV Blade To 6 Pole Round, 5 & 4 Wire Flat Adapter, Patented Quick Change Plug On The 6 Pole Terminal Quickly Accommodates Both 6 Pole Wiring Codes, Provides 4 Different Trailer Towing Options From A Single Device, Overbuilt Hinge, Lid, & Connector Housings Provide Maximum Durability, Impact & Corrosion Resistant, Tin Plated Terminals With Terminal Grease Packet Provided.