Professional-Grade Adjustable Shelves: Each shelf adjusts in 1-inch increments for a customizable vertical space for optimal organization of items of all sizes. Our adjustable wire shelving also easily converts to a mobile unit by adding threaded casters (sold separately) to the bottom of each post. So enjoy maximized storage and versatility with the Metro commercial-grade shelving rack. Designed for Durability: Our innovative wire shelving posts and collars are fully encased to ensure maximum stability and durability, without compromising style. With a maximum weight capacity of 900 lbs (408 kg), this 5-shelf unit can conquer any organizing challenges. Each shelf supports up to 300 lbs (136 kg), so you can maximize space in the kitchen, laundry room, garage, basement, office, and more. Complete, Easy-to-Assemble Shelving Unit: Metro shelves come complete with everything you need for a quick and easy setup: posts, shelves, and split sleeves. The posts feature convenient markings every inch for hassle-free split-sleeve positioning and accurate shelf placement. The assembly only requires a small hammer or rubber mallet (not included), so you can organize your space in no time. We Put Space to Work since 1929: We differentiate our products by the features that we build in. Our products provide unrivaled performance and value backed by a service commitment that puts our customers first.