https://www.3starinc.com/rohn_25g_tower_hinged_base_plate_r-bph25g.html?category_id=98&tab=spec
ROHN BPH25G Hinged Base Plate for 25G Guyed or Bracketed Tower
3 Star Inc has the ROHN 25G BPH25G Hinged Tower Base Plate that is Bolted to a Concrete Pier Placement, drilled for use with six 1/2" x 12" base j-bolts and...
hinged baserohnplate