metal shelf 1)Designed for effective storage; 2)Material:high-quality steel; 3) Surface: powder coating; metal shelf1), The most popular and economical racking ... an omega shaped section and hole distance 50mm or 75mm;3), Box beam or step beam used. Beam can be ... , guide rail, frame barrier, row spacer, wire decks, steel shelf, etc.;6), Stable structure, large loading capacity, convenient sorting;7 ...