The LEE Precision 90198 comprises an array of Shell Holders specifically designed for the Auto-Prime Hand priming tool. This comprehensive set is inclusive of 11 frequently-used shell holders suitable for use with over 115 distinct cartridges. The set encompasses Shell Holders numbered 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, and 19. Along with the Shell Holders, you receive a handy storage box to ensure easy organization and safekeeping of the set.