Ventilated design keeps air circulating and decreases dust collection Drop front openings and sloped sides provide easy access to contents Adjusts in 1" increments on posts 24-36"w holds up to 800 lbs, evenly distributed 48-60"w holds up to 600 lbs, evenly distributed *Please note, this product is not compatible with Shelving Inc. brand posts. Availability:Usually Ships in 5 Business Days