4" ELECTRIC ADJUSTABLE MAINSTAY PACKAGE

Package includes 4″ high-strength polished aluminum electric pedestal, Mariner II slide & swivel, switches and switch box.
Thick wall construction for maximum durability. 4″ outer post with 3-1/2″ inner post and 4″ collar. 12″ base with 11″ hole pattern. Electric powered height adjustment. Lifts 500 lbs.