metal shelf 1)Designed for effective storage; 2)Material: ... most popular and economical racking in warehouse;2), Upright is formed by high-quality cold rolled steel, with ... pitch 50mm or 75mm;4), Connection of the upright and beam is by wedging, equipped with safety ... ;5), Rich accessories: upright protector, guide rail, frame barrier, row spacer, wire decks, steel shelf, etc.;6), Stable structure ...