Knipex 97 49 66 3 Set of Mounting Tools for MC4® / MC4® Evo 2 PV Plug Type Connectors 97 49 66 3 Set of Mounting Tools For installation and maintenance of photovoltaic systems.For tightening the housing screw connection and unlocking the plug connection.Compact design: Set of two assembly tools with integrated magnets ensure that the two keys are held firmly together without screws or clamps.Easy handling: quick coupling for transport, easy to detach at any time.Tool body made of robust, glass fibre-reinforced plastic.MC4® is a registered trademark of Stäubli Electrical Connectors AG.