This is a heavy duty base to use as a support for masting. Will hold a mast 10 feet long freestanding and 40 feet guyed. Perfect match for our groundplane verticals. Made from 6061T6 extruded aluminum custom machined and tig welded.
Bolts down to a concrete base with J bolts ( included )

Accepts mast up to 2 1/2 inch OD
Freestanding with 10 foot mast
Guyed up to 40 feet
Hole required 12 inch diameter 40 inch deep