The ferrule with a cable cross-section of 4 mm² and a length of 20 mm is an essential connection element for electrical applications. It is specifically designed for use with cables of 4 mm² cross-section (AWG 12) and provides a reliable and secure connection. The ferrule is equipped with a plastic collar that offers additional support and protection. Made from electro-tinned metal, it ensures high corrosion resistance and optimal conductivity. The gray color allows for easy identification and integration into various applications. This ferrule is available in convenient packaging of 500 pieces, making it an ideal choice for professional electricians and DIY enthusiasts. With a clamp diameter of 4 mm, it is versatile and suitable for a wide range of electrical installations. The use of ferrules is crucial for ensuring a stable and secure electrical connection.