The Rhino-Rack Vortex 100mm (4in) pipe clamps are a pair of galvanized steel clamps that fit into the top channel of Vortex bars and fasten with an M8 bolt and nyloc nut. Supplied as a pair, they are suitable for securing 100mm conduit carriers and similar pipe-style loads to the roof rack. Galvanized construction helps resist corrosion for regular outdoor and utility use.
Rhino-Rack Vortex Pipe Clamps - 4in - Pair