The Quantum Storage Systems M2448SL34C two-tier work station cart has one slanted welded steel wire shelf, one flat welded steel wire shelf, and swivel casters, and is suitable for sorting, storing, and transporting or dispensing items. This unit has an open wire design that offers visibility of contents, permits air circulation in the work space, and resists dust build-up. The shelves on this cart are made of welded steel and reinforced with wire trusses for strength. The slanted shelf helps pull items toward the front for visibility and ease of access, while the flat wire shelf provides a place for items that require a flat storage surface to avoid spilling. The shelves adjust in 1" increments to accommodate items of varying heights. The cart"s posts are made of 16-gauge steel for strength, and are grooved at 1" intervals to help guide installation of the shelves at desired heights. The posts come with split sleeves to hold and support the shelves. This wire shelf cart has four swivel casters with brakes on two of the casters for control and maneuverability. The 5" x 1-1/4" casters are made of polyurethane to resist abrasion and wear. Four non-marking rubber donut bumpers help protect walls and furniture from damage. The wire shelving in this unit is NSF International-certified for food equipment for dry storage. This cart typically is used in the food service, hospital, and maintenance industries, among others, to sort, store, and transport items.The assembled unit is 24 x 48 x 40 inches (H x W x D). (H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.) This cart has an 800 lb. per shelf capacity; total cart capacity should not exceed 1,200 lb. The cart requires assembly and comes with instructions; no tools are needed.Shelf carts are commonly used to sort, store, and transport items to help organize work environments. These carts typically consist of a frame with open or partially enclosed shelves and casters, wheels, or a dolly base. Added components may include handles, slide channels or rails for bins or drawers, and built-in drawers or cabinets. Mobile shelf carts units are used in medical, industrial, and office settings, among others.Quantum Storage Systems manufacturers and supplies storage bins, storage bin systems, and steel and wire shelving for storage applications. The company is based in Miami, FL.