RCBS Single Stage shell holders are built from hardened steel and designed to properly align the case with the reloading die in single-stage and turret presses. They're sized to fit specific case heads and capture 0.125 inch of the case head for proper SAAMI headspacing. Features: 30-30 Winchester 6.5mm x 55 Swedish Mauser 7-30 Waters 22 Savage High Power 25-35 Winchester 7.5mm x 54 French MAS 7.5mm x 55 Schmidt-Rubin 32 Winchester Special 32-40 Winchester 375 Winchester 38-55 Winchester & Ballard RCBS shell holders are built for Single Stage and Turrets Presses. RCBS shell holders are manufactured to exacting tolerances. RCBS shell holders are hardened for years of use. RCBS shell holders ensure proper alignment between the cartridge and die. The Shell holders are cut to .125" depth for proper headspacing.