1. 'tunnel' style hole
2. The most popular and economical racking in warehouse.
3. Upright is formed by high-quality cold rolled steel, with an omega shaped section and hole distance 50mm or 75mm. Height up to 12m.
4. Box beam or step beam used. Beam can be freely adjusted by pitch 50mm or 75mm.
5. Connection of the upright and beam is hanging, equiped with safety pin to make sure of the safety. 
6. Rich accessories: upright protector, aisle protector, pallet support, pallet stoper, wire decking, steel shelf, etc.
7. Stable structure, large loading capacity, convenient sorting.