Droll Yankees® Classic A-Series Silver Sunflower Bird Feeder, 1 lb. capacity, 20 in.The original iconic A 6F Classic Bird Feeder was brought back in 2015 from its five year retirement. In 1969, Droll Yankees founder Peter Kilham invented the very first tubular bird feeder, the A 6F. Over one million A 6F feeders later, this feeder remains a classic. If one of your childhood memories is feeding and watching birds at home, chances are your family owned a Droll Yankees bird feeder! 1 lb. capacity Durable metal parts that squirrels cant