Includes 5 sets of dies that will handle most common terminal types, including non-insulated, insulated, D-sub, open barrel and spark-plug terminalsFeatures a rugged carbon steel tool body is finished in corrosion resistant Black OxideHardened die sets are zinc plated Chrome-Moly for extra long lifeRatchet crimp mechanism make precise uniform crimps every timeNo tools required for quick-change diesErgonomic non-slip rubber gripAdjustable crimp amountAmbidextrous designPlastic storage case