One piece high strength polycarbonate acorn is 16" in diameter with a clear textured finish. All acorns are UV stabilized for longer life. Decorative cast aluminum holder provides strength and durability. Acorn is secured to the fitter and to 3" diameter pole with stainless steel fasteners. All ballast shall have a high power factor and be suitable for -20°F operation. Medium base used through 100 watt lamps.