For use in kiln firing ceramic pieces. They leave virtually no mark on fired pieces and loosen easily after firing. Cone 10 maximum. This "large" kit includes various shapes to make your unique pieces easier to fire. Six each of 1/2", 3/4", 1-1/4", 1-1/2", 2-1/4" triads and 3-1/4" and 4" bars. Three each of 2-3/4" and 3-1/2" triads. Two each of multi-pinned triads, including: 2x9, 4x6, 6x12. One each of 10x15, 12x15, and 14x9. These are ideal for supporting heavier pieces. Also includes a stilt with a center-support rod to use for supporting vases, bottles, salt and pepper shakers and taller cylinders. Measures 1-3/4" wide with a 1-1/2" rod (2S). Lastly, the kit includes a 6H support designed to stilt box lids, deep-footed pieces and ware with an overhang. Measures 1-3/8" between points, and 1-3/4" tall. 60 pieces in all.