This kit comes packaged with eleven of the most popular size shellholders to fit over 115 different cartridges. These hardened steel shellholders are compatible with most single stage and turret presses. Will not function with the Lee Auto Prime Hand Priming Tool. Packed in plastic storage box with Shellholder Fit chart.Notes: Includes shellholders: #1, #2, #3, #4, #5, #7, #8, #9, #10, #11 and #19