38mm eyestrap used on the RS21 next to the sheet bag. Attach using 2x screws. Secures the Selden PBB40 Single Strap Block. Part numbers for the screws and block are FIX-S8-P02 and 404-001-25R,...
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