High Conductivity: Lever Wire Connectors are made with tin-plated high conductivity copper plates and stainless steel springs, ensuring excellent electrical conductivity. Easy to Use: Lever Wire Connectors Nuts are designed to be simple and tool-free. Just lift the orange lever 90 degrees, insert the stripped wire, and press the lever back to secure it. Efficient and Time-Saving: Using Lever Wire Connector for wire connections requires only two steps from start to finish, significantly saving time on installation and maintenance.Additionally, it can be easily disassembled and reused, making it a sustainable choice for wire connections. Universal Compatibility: Splicing Wire Connectors are suitable for a variety of wire sizes, from 0.2mm²/28 AWG to 4mm²/12 AWG, compatible with single, multi-strand, and soft copper wires.