Fire Power Ratcheting Terminal Crimper Set. Quick change dies, no tools required. Adjustable crimp tension. Works on the following connectors: Deutsch, insulated and non insulated, spark plug wires and more. Includes crimper, six (6) sets of dies and storage case. Dies included: "A" insulated 10 - 22 AWG. "B" non-insulated 8 - 20 AWG. "C" open barrel 10 - 20 AWG. "C1" micro open barrel 0.1 mm - 1 mm. "H" open barrel D-sub 6 - 22 AWG. "H1" spark plug.