The RCBS Legacy Series 3 Die Steel Set for .40-70 Sharps Straight is designed specifically for the Cowboy Action enthusiasts. Created for original or reproduction black powder rifle calibers. The 3-Die Set has a sizer die with decapping unit, expander die and a seater die with crimp. Does not feature a carbide sizing ring, cases must be lubed prior to sizing. Shellholder sold separately.