Orton Self Supporting Pyrometric Cones Cone:cone 4 This clay prefers slow drying

This clay prefers slow drying and ample compression on rims and bottoms to avoid cracks

SP274 Speckled Hot Tomale

2 - 15 1/2" x 5/8" half round kiln shelves

This kit will allow your ware to be fired on shelves that are separated by posts so you can fire multiple layers of pieces in your kiln

A replacement plenum cup gasket and silicone adhesive

Orton Self Supporting Pyrometric Cones Cone:cone 4 This clay prefers slow dryingPyrometric Self Supporting Cones are the most accurate and easiest to use witness cones available. They provide the same information as Orton Large Cones. The advantage of Self Supporting cones is that they are the correct height (1 3 4" exposed above the base) and have the 8 degree bending angle built in. The Self Supporting Cone was developed to help to eliminate some of the errors and deficiencies with the large cone. Packed 25 per box. Using Orton