A larger and wider top "spinner wheel" for cases up to - 15.5mm diameter can be purchased separately. (This wheel will typically support the 338 Lapua and Weatherby family of cases) Two separate wheels for .223 Remington &.338 Lapua Magnum Calibers are available to purchase separately.
Pro Annealer Video
Balistix Pro Annealer comes with standard "spinner wheels" supporting up to - 14MM case diameter brass (these wheels support most standard cases, i.e. 308 Win to 375 H & H typical)