SPECS - The Standard Automatic Poultry Feeder Trough will hold 20 lbs (9kg) of feed; Includes: Mesh Fence/Anti-Flick Grill stops chickens throwing food out and prevents chicken feed from being stolen by wild birds, rats/mice or large animal RELIABLE DESIGN - Use Side Guards to train fowl to stand on tread-plate to access food and protect the feed from escaping; Built of High Quality Galvanized Steel to withstand extreme outdoor conditions and provide excellent rust/corrosion resistance CAPABILITIES - Outlet opening enables large comb roosters to access feed with ease; This Trough provides feed to approximately 6 fowl for up to 10 days; Our large box design is suitable for all Fowl and provides feed for smaller flocks of up to a dozen SAFETY - Do not use with young chicks as the feeder action may harm them; Chickens must weight atleast 1.8lbs to activate and operate the feeder by themselves; Anti-slip Diamond Pattern Plate protects Fowl from slipping PROPER USE - Always place feeder on flat ground; Do not tighten up nuts and bolts on linkages; These have been factory set to be loose and allow free movement; Keep Feeder out of Direct sunlight to prevent Fowl Injury"