This unbranded CT12S heavy series cutting ring, also known as a ferrule, is designed for secure, leak-free connections in high-pressure hydraulic systems using 12mm outer diameter tubes. Manufactured from robust zinc-plated steel, it conforms to DIN 2353 and ISO 8434-1 standards, ensuring compatibility with standard hydraulic tube fittings, including straight, elbow (e.g., CT90°12S type), and tee fittings. Ideal for agricultural, construction, and industrial machinery applications requiring reliable tube connections.