Features 1、【Stable and Reliable Communication】: This manual electric key is designed for amateur radiostations and CW mode communication, providing stable and reliable operation. Its ergonomic design facilitates smooth and precise Morse code transmission, enhancing the reliability and clarity of messages sent over the airwaves. 2、【Strong Construction】: Featuring 304 stainless steel screws for enhanced durability and aesthetics. The product is built with a phenolic insulating base plate, a copper housing, and an iron bottom plate, ensuring its longevity and robustness. 3、【Fine-Quality Electrical Elements】: Featuring 99.95% pure silver contacts, the key offers low resistance and superior conductivity, maintaining signal integrity even during prolonged use. 4、【Customizable Connectivity】: Equipped with a pure copper dual-core plug and rubber-insulated cable compliant with national standards, provides a secure and robust connection. The plug's detachable design allows for easy customization of wiring, accommodating various setup configurations. 5、【Two Optional Plugs】: Offering the choice between a 6.5mm dual-core plug and a 3.5mm dual-core plug to meet the diverse user preferences and equipment requirements. Specification Name: Telegraph Key  Material: metal Item size: 160 * 67 * 63mm / 6.30 * 2.64 * 2.48in Item weight: 824g / 1.82lb Package size: 185 * 82 * 74mm / 7.28 * 3.23 * 2.91in Package weight: 879g / 1.94lb   Package List Packing List:<br />1 * Telegraph Key&nbsp;