Description One-piece sidewall of 20 gauge galvanized steel formed and rolled around 1 1/4" galvanized steel tube creating the heavy top ring. Both metals formed together resulting in 14 gauge equivalent layers of galvanized metal for superior size and strength.PRODUCT DETAILS:Stock Tank: 3ft diameter x 2ft height, 80 gallon capacity Stock Tank: 4ft diameter x 2ft height, 170 gallon capacity Stock Tank: 5ft diameter x 2ft height, 275 gallon capacity Stock Tank: 6ft diameter x 2ft height, 395 gallon capacity Stock Tank: 7ft diameter x 2ft height, 560 gallon capacity Stock Tank: 8ft diameter x 2ft height, 718 gallon capacity Stock Tank: 10ft diameter x 2ft height, 1000 gallon capacity