The ultimate solution for your electrical connectivity is the Wago wire connectors kit! These innovative connectors simplify your wiring tasks, making them quicker and more efficient. With Wago connectors, you can say goodbye to tedious and time-consuming traditional methods like twisting wires and using nuts. Enjoy secure and reliable connections to save valuable time and effort and upgrade your electrical projects today! Set includes: 25 x Lever nuts (221-412) 10 x Lever nuts (221-413) 5 x Lever nuts (221-415) Key features: Tool-free connection: Effortlessly secure wires with our electrical wire connectors with no extra tools, for a convenient and time-saving solution. Secure and reliable: Trust in stable and protected wire splice connectors and have peace of mind knowing your wires are securely and reliably connected. Maintenance-free: Enjoy hassle-free connections with our electrical connectors kit without frequent maintenance; spend less time on upkeep and more time on other priorities. Versatile application: This small wire connectors kit adapts to different wire sizes, so you can confidently use them for a wide range of applications. German engineering: Experience the precision and quality of the Wago wire connector kit, proudly made in Germany. Trust the expertise of German engineering for exceptional performance and durability. Connect wires like pros: Step 1: Strip 11mm of sheathing from the wires needing connection. Step 2: Insert the stripped wire end into the openings on the Wago electric wire connector. Step 3: Firmly press the lever down until it clicks into place, securely holding the wire. Step 4: Double-check that the wire is properly seated in the connector and the lever is fully closed.