Build your outdoor kitchen one step at a time with the Big Green Egg Modular Nest System. Start with an EGG Frame, then add to your custom EGG display with Expansion Frames and a variety of beautiful and functional inserts. Build an outdoor workspace which can be tailored for size and style. Start now and add on at a later date. All inserts are standardized – the same insert will fit into the top frame and lower shelf frame.Fits Large EGGIncludes One EGG Frame, Stainless Steel Grid Insert and Tool Hook4 Levelers Included – Legs Also Accept Optional 2″ and 4″ Casters (Not Included)Lower Shelf Frame Made of Steel for ResistanceTop Frame and Legs Made of Aluminum with Powder Coating