The utility cart features an easy-to-position center shelf that can adjust at 1" increments. This particular item comes with 3 smooth, injection-molded shelves that have built-in Microban antimicrobial product protection. Additionally, the utility cart has rounded shelves in Slate Blue that can hold up to 150 lbs each. Included are 4" diameter rubber swivel stem casters. The utility cart requires some assembly- no tools necessary.