1OE Number: The referencing OE number of this wire insertion tool set is 7618, which is molded and designed depend on the original data. 2Function: The wire harness lead tool is used for directing wires through obstacles, barriers and protect endoscopes without damage to the protective sheath. 3Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 4Unique Design: Equipped with angular tube ends which could stop wires from bending when in contact with solid obstacles or metal surfaces. 5Application: Perfect for installing or repairing stereos, dashboard wiring routes, headlights, lighting etc., applicable to cars, wire insertion in RVs, ships, and can also be used at home.