Extra turrets are a must to have if reloading many calibers. Changing and readjusting dies is very time consuming; by utilizing extra turrets reloaders are able to keep each turret setup with everything needed to reload a particular caliber. To switch calibers simply change out the turret and go. This turret has spacing to hold up to six standard 7/8"-14 threaded dies and is the same turret head that is shipped with the T-Mag 2 turret press. This turret will also fit the T-Mag turret press.