Hornady Shell Holder Kit #1, #2, #5, #16, #35These shell holders are precision machined from solid steel then heat treated for reliable performance. They fit all other Hornady accessories (case trimmer, hand held priming tool, etc.). Hornady steel shell holders also fit most other brands of reloading presses. This set includes five different shell holders #1, #2, #5, #16, and #35 that fit a wide variety of calibers.