Features: The Crocodiles Clip Test Hook Pen with 4mm Banana Socket is a versatile tool that combines the functions of a test hook and a banana connector, providing flexible and reliable electrical connections. Made from high quality materials, this product ensures stable signal transmission and long term durability. Its 4mm banana socket allows for easy connection to various devices and testing instruments, offering a convenient and secure electrical connection. Designed for electronic engineers, researcher, and DIY enthusiasts, this tool provides a convenient and reliable solution for circuit testing, debugging, and connection work. Whether in a laboratory, repair and installation site, or educational training institution, this product is suitable for wide ranges of scenarios. It facilitates quick and efficient circuit testing, wiring, and connection tasks. With its compact and portable design, this tool can be easily carried around, making it fit for on travel testing and connection work. Its versatility and reliability make it an essential companions for professionals and hobbyists alike. Specifications: Material:Copper+PA Color:Red,Black;(Optional) Rating:CATIII1000V/MAX10A Package Includes: 1xCrocodiles Clip note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.