Excellent Compatibility: This crimping tool set is suitable for Cat5, Cat5e, and Cat6 cables with 8P8C connectors, perfect for RJ45, RJ11, RJ12 cables and telephone installations, as well as other electrical wiring work. Mini Design: This crimping tool is 2/3 the size of a traditional crimping tool and 1/3 lighter than traditional pliers, easily operated with one hand. Multifunctional: This crimping tool is versatile, combining cutting, stripping, and crimping functions in a single unit. Wide Application: This crimping tool is used for telephone, alarm, computer, intercom, speaker, and thermostat wiring; scanning function to locate working wires (network, telephone, coaxial, buried cable). Superior Carbon Steel Material: This crimping tool is made of excellent carbon steel material, which is sturdy and durable, not easy to corrode, and has a long service life.