The calf-mate calf feeder based on our sturdy n400-8 fortiflex bucket, modified with heavy duty parts to make a durable and h We start with heavy galvanized (#16 gauge) steel bracket, contoured to easily fit a 2 x 4 rail. Rivets are made of aluminum The bucket is made with our exclusive fortalloy rubber-polyethylene allow for better cold weather cracking resistance. For watering, feeding, maintenance and general purpose use around farm, home and industry.Size is 8 Quart. Dimensions are 12.5 X 11.5 X 8 Fortalloy Rubber-Polyethylene. UPC Code = 012891261002