The Triplett TT-320 8-Piece Quick-Change Ratchet Crimper has seven interchangeable die heads for the most commonly used insulated and non-insulated terminals typically used in electrical, electronic, and automotive applications. The 4140 forged steel die heads with zinc phosphate surface treatment can be used for insulated and non-insulated terminals, open barrel terminals, and cord end terminals. Other features include a carbon steel crimper body with polypropylene (PP) and thermoplastic rubber (TPR) handles. The set comes complete with the crimper, seven die heads, and a hard carrying case that keeps the die heads organized and protected during storage and transport.