MB-1, or Mounting Base version one. A very simple U-channel for a 5/16" hex head bolt
with anchoring holes, that can mount the A-Beam and any universal "L" bracket for rail based systems. MB-1 can pretty much
mount anything that works with a 5/16 hex head bolts. Comes with a self-sealing butyl pad that comes all ready
applied to the MB-1 base. Please call us today for more information.