Self Supporting Cone 6 (box of 25)LOSS6
Position cones inside kiln chamber to check the correct amount of heatwork has been achieved during a firing. For more information on using witness cones, please see the "How To" section.
Cone 6 is not the same as cone 06. Cone 6 is for porcelain firings and is around 1220C, whereas a cone 06 is for earthenware and around 1000C. Be sure you order the correct cone.