Carbide Pistol Dies Our carbide dies eliminate an entire step in the reloading process: lubricating cases. The diamond-lapped tungsten-carbide inner ring is so smooth that cases simply can't stick or get scratched. These are top-of-the-line dies, built for a lifetime of flawless performance. 3-die set includes carbide sizer die with decapping unit, expander die, and seat/crimp die Tungsten carbide ring resizes case walls Available in most popular handgun calibers (not available for bottleneck cases)