RCBS Lube-A-Matic Lube and Sizer Dies ensure easy lubrication and sizing of cast bullets with hardened interiors for perfect alignment.
These dies are compatible with RCBS Lube-A-Matic-2 Bullet Sizer/Lubricator and Lyman 450/4500 Lube Sizer, and are designed to set and crimp gas checks.
The 0.357" diameter sizer die requires separately sold Top Punches for operation.