Fits BGE, Big Green Egg Large, Kamado Joe Classic and other 18 inches ceramic kamado grills; product that can hold your place setter & raise your grate. It is for the flexibility of the second smaller rack that fits on top and slides out of the way. The big Green accessories combines 5pcs parts including 1pc bottom holder frame, 1pc top holder frame,1pc top BBQ net grills,and double semicircle net grills. Added functionality of this exactly like the EggSpander kit allowing easy in and out of place setter, removing place setter and turning upper rack and grid for searing closer to coals. The split half circle grids are very handy for multi zone cooking. Dimensions: 18-inch, the fully open height: 9-inch, 5 Piece Kit for 18" Large Big Green Egg : Our Big Green Egg Replacement Kit can be divided into three layers at most.