DILLON CARBIDE DIE SET 45 ACP/CAP, The Dillon .45 ACP, .45 Auto Carbide Handgun 3-die set is used for reloading .45 ACP ammunition (a.k.a. .45 Auto). This 3-die set includes a sizing/depriming die, a bullet seating die and a crimp die. Dillon dies are designed to work best on Dillon progressive reloading machines. Although all Dillon dies have standard 7/8"x14tpi threads, the handgun die sets do not include an expander die as this function occurs in the powder dispensing station; the calibre-specific powder funnel is part of the calibre conversion kit. The new 1" lock rings allow a little more space on the tool head (when adjusting the dies) for the 1" wrench to fit. We recommend using Dillon case lube even on carbide pistol dies; you'll feel the significant reduction in force required to operate the machine.