The ADG Fat Boy Bushing Full Length Sizing Die is specifically designed for tough, high quality ADG Cartridge Brass for Proper and Optimum full length sizing of the cartridge case - all the way down to its base. These dies come with three bushings, the ADG recommended nominal size and a +0.001" and a -0.001" so that the precise neck tension can be created for your specific load. Each die ships with a decapping pin assembly and in a box that will hold up to 5 bushings. Additional bushings can be purchased separately.These dies utilize a 1-1/4"x12 body thread to create a larger diameter that will not flex when sizing magnum sized cartridges cases. In most cases, a 7/8" diameter die will not reliably size the bottom 1/4" to 1/2" of the case body on quality, high strength cartridge cases. These do. Please check your press to ensure compatibility. If you press has a 1-1/4"-12 Thread, it will work! ADG Fat Boy 1-1/4" Bushing Resizing Dies work with the following presses:Area 419Creedmoor...