Adjustable Wrenches Non -Sparking VDE 1000V Secure Tools supplies Adjustable Wrenches Non -Sparking VDE 1000V. They are specialized hand tools designed for use in environments where the risk of sparking or electrical hazards is a concern. These wrenches are typically made from non-ferrous materials like aluminum bronze or beryllium copper to reduce the potential for sparks. VDE 1000V certification is related to electrical safety. It indicates that a tool has been tested and certified to be safe for use in electrical work up to 1000 volts.