C420 Gooseneck Universal (Selden Boom/Mast) Selden Mast $18.95 Gooseneck Universal for Selden Booms on Selden Masts. This will not fit on Dwyer Booms or Dwyer Masts. If you have a Selden Boom w/ Dwyer Mast, buy THIS UNIVERSAL. If you have
Selden Gooseneck Toggle Plastic 528-085 Selden Mast $7.00 Selden New Style Gooseneck Toggle, used in multiple Selden Goosenecks.
