Crimps most common solderless terminal types, including non-insulated, insulated, D-sub, open barrel and spark-plug terminals Hardened die sets are zinc plated Chrome-Moly for extra long life Ratchet crimp mechanism make precise uniform crimps every time No tools required for quick-change dies Ergonomic non-slip rubber grip Adjustable crimp amount Ambidextrous design Plastic storage case. TOOL CRIMPER TERMINAL