There are no exposed bolts, brackets or components, all round upstands to each tier, all seamless finish, an all 304 stainless steel trolley. Designed for kitchens, food service areas, hospitals, laboratories, butchers, abattoirs, bakery, dairy, fishmonger, food processing, veterinary services and any other commercial, catering or kitchen area where stringent standards are required.For more detail information about our products and service please contact us directly.