50-lb Classic Cast Iron Umbrella Base in Bronze 50-lb cast iron umbrella base Weather-resistant brushed antique bronze finish 17.5-in metal 2-piece dual-purpose stem For use with free-standing or market umbrella applications 23-in diameter base; stem accommodates umbrella poles up to 4.14 cm (1.63-in) 23-in diameter 50-lb cast iron umbrella base in a weather-resistant brushed antique bronze finish 17.5-in metal 2-piece dual-purpose stem;	 accommodates umbrella poles up to 4.14 cm (1.63-in) For use with free-standing or market umbrella applications Includes comfort grip threaded anchoring knobs for superior holding strength Recommended to secures market-style umbrellas up to 9-ft canopy size