niceEshop(TM) MC4 Assembly Tool Solar PV Panels Jiont MC4 Connector Wrench Spanner(Blue) Material:Hard plastic;Size:12x4x0.5cm/4.7x1.6x0.2inch For breaking connections after they have already been locked together Light weight and durable plastic construction Very handy for the assembly of custom MC4 wires Prongs help disengage MC4 male and female connectors