The Lee 7mm Remington Magnum Breech Lock 3-Die Set is an excellent choice for reloaders working with mixed range brass and using a press equipped with the Breech Lock Quick Change feature. This set includes Smart Lock bushings, making it easy-to identify and switch between dies quickly. The set features a Full-Length Sizing Die to resize your brass to factory-new dimensions, an Easy Adjust Dead Length Bullet Seating Die for precise seating depth and a Factory Crimp Die to ensure a secure crimp for improved accuracy and consistency. Also included are a Universal Shell Holder, Powder Dipper for accurate powder measurement and detailed Instructions/Load Data to guide you through the reloading process. This die set provides everything you need for efficient, high-quality reloading of 7mm Remington Magnum cartridges.