The Kuhl 10-Hole Rear Roll-out Laying Nest is the only of its kind on the market. This unit combines economical pricing with unsacraficed quality and functionality. Special Features Include: Plastic perches and nest bottoms that make this unit fully sanitizable versus competitive brands utilizing wooden perches that harbor lice and bacteria. Rear roll-out design allowing the back of the nest to face a central aisle for fast and trouble-free egg collection. High front and back panels to eliminate scratching of litter out of nests. Roll-out design provides cleaner eggs, reduces egg breakage and virtually eliminates floor eggs. Durable construction enables nest to provide multiple seasons of trouble-free use. Dimensions: Outside Measurements: 33"H x 60"W or 83.8H x 152.4W cms. Hole size: 7"H x 11-1/2"W or 17.78H x 29.2W cms. Shipped "knocked down" for lower transit costs. Pop Rivet Gun Required for Assembly.