6.25" (ID) Ceramic Casting Ring
6" Dia. x 4½" H (when matched with SM 1501 2) The 6" Ceramic Casting Ring are used for making thicker warm glass projects. Use the 6 inch ceramic Casting Ring with the 6 inch Mini Melt Bowl, SM-1501-2.

8.25" (ID) Ceramic Casting Ring
8" Dia. x 5½" H (when matched with SM 1502 2) The 8 1/4 Inch Ceramic Casting Ring are used for making thicker warm glass projects. Use this Ceramic Casting Ring with the 8 inch Mini Melt Bowl, SM-1502-2.