More informationGreater resistance to bumps and dents. Trays - Allows wheels and other accessories. It was a pioneer design and is now the most popular in the world - It does not wobble - It is rigid - It does not need anchoring to the wall - 150 Kg per tray with uniformly distributed load - 331 Lb per tray with uniformly distributed load - Supports wheels - Assembly without screws - Estimated assembly time 9 minutes