This set includes six of the most popular shellholders, conveniently stored in a compact storage box for easy access and organization. The set contains Shellholders #1, #6, #10, #12, #18 and #19, providing versatility for a wide range of reloading applications. Whether you're working with different calibers or need replacements, this set ensures you have the right tools on hand to streamline your reloading process. A must-have for any reloader looking for reliable and efficient shellholder options.