- High-Quality Construction: This crimping tool is made from high-carbon steel with a black oxidation treatment, providing a dense oxide layer that resists corrosion and rust for long-lasting durability. - Versatile and Professional: Efficiently cut, strip, and crimp CAT6 and CAT5/5e cables as well as telephone lines. Compatible with all RJ45 CAT6 connectors (including shielded), RJ45 CAT5E connectors, and RJ11/12 connectors (excluding AMP). - Practical Applications: Ideal for various tasks such as installing telephone lines, alarm cables, computer networking, intercom installations, speaker wiring, and thermostat connections. - Advanced Scanning Function: Easily identify active wires within network cables, phone lines, coaxial cables, buried cables, and even those concealed behind walls, ensuring precise connectivity. Optimize your networking and wiring tasks with a dependable crimping tool that combines strength, versatility, and functionality.