A good purchase for people who are doing electrical projects or work where you need to connect lots of wires. Sometimes you need to jumper something or run tests on a circuit. These Quick Connection Terminals will help you do these tests quickly and safely. Full protection to avoid accidents — greatly reduces the hidden dangers of working directly with your hands. Widely applicable to braided wires and solid wires of different sizes to meet both household and commercial use. Main Features ★ Keep Safe – Made with the best flame-retardant insulating material and modified copper. Long service life, no corrosion, anti-aging, voltage resistance, and electric shock resistance. ★ Widely Used – Compatible with almost every gauge of normal household wiring: ceiling fans, sockets, switches, cars, motorcycles, ships, loudspeakers, lamps, and more. Perfect for building wiring to save valuable space. ★ Easy to Use – Reduces wiring time by up to 70%! Just lift the lever, insert the stripped wire, and press the lever closed. Holds tight and makes a solid connection. ★ Practical & Tidy – Voltage range supports solid conductor cross-section 0.35–0.75mm² (AWG 22–18). Prevents wire ends from tangling, keeps electrical boxes roomy, no need to twist copper wires together. ★ Reusable & Efficient – Suitable for flexible and hard wires. Each connector is designed with independent shrapnel for different wire diameters, ensuring safety and durability. ★ Convenient – Each connector includes test holes for electrical testing. No need to remove tape, making it intuitive, simple, and reusable. Using Methods Package Includes: Double-wire Plug-in Connector with Locking Buckle × 1 (20 PCS/SET)