Knipex 97 91 02 tool case for photovoltaics mc3 multi contact knipex 97 91 02 p this tool case for photovoltaics mc3 multi contact from knipex is a superb complete tool set designed to install mc3 connectors complte with service tools such as the hexagonal key for the change of crimping dies while the shock resistant plastic case has foam inserts with recesses for the tools crimping dies and locators br p p p knipex 97 91 02 tool case for photovoltaics mc3 multi contact