Our Antenna Mounts are produced at our factory in Melbourne, and made from black powder coated, 4mm stainless steel. All supplied hardware, including channel nuts, are also made from durable 300-series stainless steel to ensure everything remains rust-free. Kit Contents: 1x RF-AMF Flat Antenna Mounting Bracket 2x M8 Button Head Screws 2x M8 Spring Washer 2x M8 Flat Washer 2x M8 Channel Nuts Compatibility: RhinoRack Vortex SX RhinoRack Pioneer 5 RhinoRack Pioneer 6 Yakima LockNLoad For compatibility with other platforms, send us a message and we’ll see what we can do! *GME MB042 Folding Antenna Base OPTIONAL *Rhino Rack 43196 Folding Antenna Base, GME Spring Base, and GME Antenna not included