Pro Chucker 5 to 7 Conversion Kit by RCBS RELOADING PRODUCTS When you are ready to upgrade your Pro Chucker 5 to seven-station operation and the Pro Chucker 5 to 7 Conversion Kit has everything you need. It includes a seven-station die plate and shell plate holder assembly and large and small priming system and Quick Change powder measure and case activated linkage kit. Features & Benefits: Converts Pro Chucker 5 to Pro Chucker 7 Includes: Seven-station die plate Shell plate holder assembly Large and small priming system Shell Plate Indexing system Quick Change powder measure Limited lifetime warranty Made in U.S.A.