Shelves are formed from 12 gauge steel with structural angle corners. Shelves are available with 1-1/2″ lip, or with flush edges. Raised offset handle includes cross brace hand guard for added safety. These welded units are shipped set up and ready for immediate use, with 2 swivel and 2 rigid casters. Cushion-load casters for use over rough or uneven surfaces. Shelf clearance is 19-1/2″ with flush shelves. Durable powder coated gray finish.