THE HORNADY UNIVERSAL SHELL HOLDER PACK IS A GREAT START TO YOUR RELOADING ASPIRATIONS. Each of these five universal shell holders have been precision machined from solid steel and heat treated for lifetime quality. As well as fitting the Hornady case trimmer, handheld priming tool and other accessories, they also fit most any reloading press. No. 1, No.2, No.5, No. 16 and No.35 shell holders have been included in the Hornady Universal Shell Holder Pack.