– 1/4″ thick HRPO (steel) main bars with durable black powder coat finish.
– Top acorn nut is used to adjust spike depth
– All steel spikes with black zinc plating.
– All steel with zinc plate 1/4-20 wood inserts for DIY insert installation
– All steel mounting hardware (Bolts & Washers for 1/4-20 installation)
*** Note *** Qty 1 = one pair (enough for one speaker or subwoofer)
Please order (2) if you are ordering for a pair of speakers.