Self Supporting Cone 10 (box of 25)LOSS10
Position cones inside kiln chamber to check the correct amount of heatwork has been achieved during a firing.
Cone 10 is not the same as cone 010. Cone 10 is about as hot as your are ever likely to go, up to a crazy hot 1300C, whereas a cone 010 is for earthenware and around 900C. Be sure you order the correct cone.