Self Supporting Cone 5 (box of 25)LOSS5
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 5 is not the same as Cone 05. A cone 5 is around 1200C, whereas a cone 05 is around 1020C. Make sure you choose the correct cone for your work.