![21" x 21" kiln shelf](http://psh.ca/cdn/shop/products/F2121_2_{width}x.jpg?v=1621526529)
Cordierite-mullite kiln shelf. 21" x 21" x 3/4" (533 mm square x 19 mm)
Buy 10 of any 1 kiln furniture item & pay 10% less.
The low-expansion property that allows this shelf to withstand repetitive kiln firings also applies to lower temperature applications. Kiln shelves make excellent pizza stones!