A Adjustable Increments: 1" , Caster Dia.: 5" , Caster Material: Polymer , Caster Type: (4) Swivel , Color: Silver , Finish: Zinc-Plated , Lip Height: 3.25" , Load Capacity: 300 lb. , Material: Steel , Number of Shelves: 4 , Overall Height: 72" , Overall Width: 18" , Shelf Width: 18"