This is the recommended and preferred crimper for the majority of terminals at this website. Five cavities perform "B" type conductor and insulation crimps. Conductor crimp maximum range is 22-12 AWG. Insulation crimp maximum range is 24-14 AWG. The TOOL-01000 uses the same five crimp cavities as the Delphi / Packard 12085271 tool. Excellent for crimping Weather-Pack ( Weatherpack ), Metri-Pack ( Metripack ), GT Style and most Terminal Types.