This kit comes packaged with eleven of the most popular size shell holders to fit over 115 different cartridges. These hardened steel shell holders 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 Shell holder Fit chart. Includes shell holders: - #1, #2, #3, #4, #5, #7, #8, #9, #10, #11 and #19. Specifications: - Material: Steel - Extended: No - Press Fit: Universal