This Metro Utility Cart utilizes Super Erecta shelving and special posts formed into a handle. The solid sheet metal shelves can be positioned at precise 1" increments along the length of the numbered post. 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, 21"x36", with 5" casters.