Double deep pallet racking stores 2 pallets deep in a single entry rack, 4 pallets deep in a double entry rack. Forklift fitted with a double reach mechanism is required in order to serve the double deep pallet racking system. The use of double deep pallet racking system is a cost effective way to increase pallet storage density. It provides a reasonable stock rotation on a FILO (First In Last Out) basis with 50% immediate access to pallets. This system is best used when each product line is consisted of several pallets.