This Metro Utility Cart utilizes Super Erecta shelving and special posts formed into a handle. The wire shelves can be positioned at precise 1" increments along the length of the numbered post. The open wire design minimizes dust accumulation and allows for air circulation. Split Sleeves lock each shelf in position on four posts creating a sturdy and versatile cart. The metal components are Stainless Steel. This item is a complete set, every part you need is included under this single part number. Cart, Three-Shelf utility, 18"x30", with 4" casters.