Performance: The perfect solution to tighten and disassemble MC4 connectors used in the installation of photovoltaic equipment.Easy to use: Simply insert the spanner pins into the securing clips of the two connectors, release and gently pull apart to separate the two connectors.Durable: Manufactured from reinforced plastic which is durable, light and easy to carry.Universal: Suitable for all common connectors used to extend photovoltaic lines of solar panels, photovoltaic connectors, photovoltaic solar cables, solar generators and solar line connectors.