Annealing Made Perfect is the world's first and only SMART annealing system. The Induction annealer allows the reloader to get exact and repeatable neck hardness every time without all the guess work. All program settings are established using our revolutionary AZTEC software, verified by countless metallurgical and real world tests. Change from one cartridge type to another in seconds. All cartridges from 17 Hornet to 50 BMG Just select the correct pilot, program for your cartridge, and start annealing. No guess work Tighter average group size Longer lasting brass (less)