The Twin Slot ˜Shelf-Lok' system combines adjustability with strength and versatility. The system comprises a wall fixed twin slot steel upright to take a range of steel 'U' brackets for supporting various types of shelves. Medium and heavy duty brackets are also available for supporting heavier loads. The components are fabricated from 1.5mm thick steel and are finished in Dupont Alesta AMTM anti-microbial powder coating. White, brown, black, chrome, silver and stainless steel finishes are available.