Excellent W.S. Deans T-connector replacements. Made from high-temp Nylon and gold plated spring connectors, both included in the injection mould at the time when forming the connector. The XT60 ensures a solid high-amp connection, perfect for applications up to and beyond 65A constant. will begin to include the XT60 on all batteries up to 3,000mAh in capacity in the near future!