Manufactured of a high alumina mullite/cordierite mixture that yields a smooth, durable surface with good thermal shock resistance for stacking ware in your kiln. Recommended for all temperatures up to cone 11.

26" (660 mm) diameter, 3/4" (19 mm) thick. 

This is the recommended size for 10-sided top-loading kilns like Euclid's R-195 or R-280. 

Buy 10 of any 1 kiln furniture item & pay 10% less.