Now all the amphibians can have the convenience of having a tow bar anywhere they fly. No need to wonder if an FBO has an amphibian tow bar. The Knock-Down breaks down into five pieces for easy storage. The length is approximately 12ft after assembly. It can be stored across the aft bulkhead or underneath the seats! Assembly and disassembly is done in seconds without tools. Heavy-Duty amphibian tow bar for Wipline 6100 or 8000's.