Lee bullet sizing sizes cast bullets, also seats and crimps gas checks. Fits any standard 7/8x14 thread reloading press. Lee Liquid Alox and Reloading Press are required to utilize this kit and are sold separately. NOTE: if using this kit on the Automatic Processing Press (APP), customers will need to supply their own catch container. Specifications and Features:Check your reloading manual or go to a powder manufactures website for load data.