Made of rust resistant 28 gauge galvanized steel with welded ends for extra strength. 1/2" flange along trough keeps birds from billing out feed. No bolts or nuts. Legs are wide to prevent tipping and removable so feeder can be set on the floor for day-old chicks. Adjustable sturdy 4" blade X-reel has turned edges to protect birds while preventing roosting. Legs are adjustable for a trough height of 3" to 4". Approximate feed capacity: 3.8 lbs. Approximate bird capacity: 75 chicks. Overall size: 4-1/2" width x 36" length x 7" height.