This wire shelving unit is perfect for any storage needs. It includes 5 of our sturdy post baskets and casters to allow easy movement if needed. Two casters have brakes, so you can keep your unit in place if needed. Ventilated design keeps air circulating and decreases dust collection Drop front openings and sloped sides provide easy access to contents Baskets adjust in 1" increments on posts Two casters with brakes keeps unit safely in place 24-36"w holds up to 800 lbs per basket, evenly distributed 48-60"w holds up to 600 lbs per basket, evenly distributed