For Sale: Aluminum Plate 0.25" x 6" x 12" to Support 5/8" Driver Element or Dipole to the 3" Boom or Antenna Mast. It is perfect to used for driver element on yagi antennas or like rotary dipole . Includes:  0.25" x 6" x 12" Aluminum plate with holes (6061), 4 sets of green insulators - fit tube 5/8"OD, 8 x Stainless Steel 1/4"-20 x 1.5" Socket cap Screws, 8 x Stainless Steel 1/4-20 Nuts with tooth washer lock. 4 x Yellow Zinc Plated U-Bolts to fit at 3" OD tube (boom or mast).