Got a Roadmaster tow bar and Blue Ox baseplates? This adapter pair makes them play nice together. Specifically, it adapts Roadmaster Falcon, Falcon All-Terrain, BlackHawk, BlackHawk All-Terrain (serial numbers up to 16,500), and Sterling (serial numbers up to 14,500) tow bars to connect to Blue Ox baseplates. Each pair includes the adapters with base pins. It's a straightforward hardware solution – no welding or mods needed. Makes towing setup more versatile if you're mixing and matching gear. Just check your tow bar model and serial to be sure it's compatible. Package weight is about 2.36 kg. A simple fix for compatibility headaches.