Designed for use with the vfm boltless shelving system these heavy duty additional shelves are made from extra high density chipboard and can withstand an impressive weight of 600kg to be used for the storage and safe keeping of a multitude of items including heavy large and bulky items the shelves are ideal for use in warehouses factories offices and many other situations using these shelves couldnt be easier from assembly through adjustments to storage for heavy duty boltless shelvin