Exclusive patented quick installation for easy die change – no tools requiredCrimper is easily operated by either left or right handEasy crimp pressure adjustmentA Die – Insulated TerminalB Die – Non Insulated TerminalC Die – Open Barrel TerminalD Die – Insulated Cord-End TerminalF Die – Insulated Cord-End Terminal (Large Awg)H Die – Open Barrel Terminal And D-Sub V3.5H5 Die – Weatherpack Terminal