Enhances your CW transmissions, providing clear and precise signaling for effective communication High-Quality Material: Made from stainless steel, ensuring and reliability in all types of environments DIY Friendly: Perfect for shortwave radio enthusiasts and hobbyists looking to build or enhance their own telegraph systems Educational Tool: Ideal for teaching and demonstrating the principles of Morse code and radio communication in educational settings Versatile Use: Suitable for communication needs including emergency, amateur, and remote communications Applicable:for Shortwave CW Radio Specifications: A:3.5 interface Colour:As Shown Material:Stainless steel Package Contents: 1 x CW Morse Key Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.