The RCBS Extra Turret Head is designed to be a replacement for your RCBS Turret Press. These turret heads are made from cast iron to guarantee a lifetime of durability just as all of RCBS products are made to ensure unbeatable quality and performance. The RCBS Extra Turret Head enables you to install multiple dies of different calibers so that they are ready and at-hand for reloading without you having to remove and install different dies for each caliber. Simply put this extra turret head is a must-have for the serious reloader so you aren