BROME SQUIRREL BUSTER PLUS SQUIRREL PROOF BIRD FEEDER PLUS FREE LOCKING CHAIN Seed or Feed Options: cracked corn, mixed seed, peanut chunks, safflower seed, sunflower kernels, and sunflower seed Capacity: 3 quarts, 4.5 lbs; 6 ports Dimensions: 4" dia. reservoir, 6.5" dia. cap, 22" H Mounting: may be hung Construction: aluminum, plastic