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Make fast and dependable solar installations with the Knipex 97 39 42 crimping die. Designed for Knipex MultiCrimp pliers in the 97 33 XX series, it delivers precise crimps on MC4 and MC4 evo 2 connectors for 4 mm² and 6 mm² (12 and 10 AWG) solar cables. Crafted from hardened steel, it ensures durable, low-resistance connections that prevent loose contacts and power loss across photovoltaic systems. You can swap the die smoothly without any extra tools, saving valuable time during panel assembly, string wiring, and maintenance work on residential or commercial solar projects.