Simply buy Crimp System Pliers for exchangeable crimping dies Crimp System Pliers for MC4 Multi-Connect connectors (up to 6 mm²) with multi-component grips burnished 200 mm | Hoffmann Group
Crimping Pliers Multicontact MC4 Tool Type PV-CZM-19100 – Toosolar
Solar Crimping Tool for MC4 Connector - 2.5-6mm²
Mc4 Crimping Pliers Solar Photovoltaic Crimping Pliers Crimping Pliers