Set consisting of ratchetting crimping tool with interchangeable heads to use on insulated, non-insulated and non-insulated barrel type connectors. Supplied in the unique Teng Tools TC tray with removable lid and dove tail joints for use on it’s own or as part of the Teng Tools TC control system. Changeable ratchet crimping tool for insulated terminals 22-10 AWG (0.324 square mm – 5.261 square mm). Die for non-insulated open for non-insulated open barrel connector, commercial type 22-12 AWG barrel connector, commercial type (0.324 square mm – 3.31 square mm). Die for non-insulated terminals for non-insulated terminals 22-8 AWG(0.3 square mm – 8 square mm). Hex hey wrench 2.5mm.