Refractory brick SK34 (1,300 degrees Celsius). Built the kiln 35 years ago, and recently dismantled it. There are 40 large and medium-sized bricks. Ideal for not only pottery kilns, but also cloisonné, pizza ovens, and home gardening pottery kilns. The condition is that you come and pick them up after dismantling the kiln. ¥150 each, 5 for ¥495, any quantity you like. - Material: Refractory brick - Features: Perforated design - Quantity: Multiple - Uses: Construction of pottery kilns - Condition: Used Thank you for looking.