20″ X 20″ X 5/8″ (508 mm x 508 mm x 15.8 mm) full kiln shelf for the Paragon GL-22A & AD, KS-6A, TnF-K-6 kilns. Buying extra shelves gives you the flexibility to load your ceramic ware efficiently and take advantage of the space available. With experience, you will find that loading a kiln is like putting together a three-dimensional puzzle. This is another enjoyable aspect of firing a Paragon kiln. Paragon’s cordierite shelves are volume-stable.