Lyman Taper Crimp Die for .38 Spec./.357 Mag. and .357 Remington Maximum Cartridge . Essential for proper function in auto pistols. Each Taper Crimp Die by Lyman is heat treated to an RC50 minimum surface hardness. The interior is hand polished before and after heat treat to an 8 rms finish. Also in our store you can find a full line of Lyman Gunsmith and Reloading Equipment. For our complete selection of products by Lyman on sale please visit our Lyman page. For more Gunsmith and Reloading Equipment please visit our Gunsmith and Reloading Equipment store section. Package Contents: Lyman Taper Crimp Die Only 7153101: Lyman Taper Crimp Die for .38 Spec./.357 Mag. and .357 Remington Maximum Cartridge