![Orton Small Cone 11](http://psh.ca/cdn/shop/products/OS11X_2_5475b44e-5a41-4521-8394-5b05a225611f_{width}x.jpg?v=1611780613)
Choose cone rating from drop down/fly out menu. Box of 50.
Small cones are mainly used with a Kiln Sitter. This is a mechanical device that shuts off the kiln when the temperature inside is sufficient to melt the cone and deform under the weight of the Kiln Sitter rod.