RCBS 18212 Series B 3-Die Carbide Roll Crimp Set, 38/357
- Type: 3-die set, includes Carbide Sizer Die, Expander Die, and Roll Crimp Seater Die
- Case compatibility: Fits 38 special, 357 magnum
- Shellholder requirement: Uses shellholder #6, sold separately
- Carbide Sizer Die function: Sizes the case and decaps the spent primer
- Expander Die function: Expands the case mouth for easy bullet feeding
- Roll Crimp Seater Die function: Seats the bullet and roll crimps in place
- Carbide Sizer Die advantage: Eliminates the need for lubrication
- Material: Made from case hardened steel, polished and heat-treated
- Construction: Precision-drilled, reamed, hardened, and hand polished
- Full-Length Sizer Dies feature: Vents to prevent case damage (for bottleneck cases)