FLARE TOOLS Part # Flaretool, Flaret020, Flaret028, Flaret041 These tools install on the primer knockout station. They open the hull and add extra room for the wad. AVAILABLE FOR ALL STANDARD GAUGE MACHINES (12ga. to 410ga.) - IF YOU HAVE A 16GA MACHINE, THE 20GA. FLARETOOL FITS ON THAT GAUGE.