Description: Material: The Lever Wire Connector Nuts Kit is made from PA66 insulation material and brass, ensuring durability and long term useSecurity: The terminal is 28-12awg with a rated voltages of 250V/4KV and a rated current of 32A; It has a long lifespan, resistant to aging, pressure, and high temperatures, ensuring normal working; Connector has a test hole at the back that can be used to check if the wire is electrifiedHigh Efficiency: No tools are needed for use; simply plug in to operate, significantly reducing wiring time; You can connect wires by hand without any tools; push the orange handle to 90 then insert the wire (strip off wire shell up to 0.35-0.47 inches), ensuring it's inserted at the end without leaving the line case open too long before placing it on the back of the clampUniversal Compatibility: Suitable for soft and hard single chains and multi chains; Widely used in lighting fixtures, fans, automatic doors, and various small appliancesCreative Design: This wire connector is reusable; If you need to replace other wires, simply pull up the small lever and remove the ones you need to replace them with; This Connector are scientifically designed to save space so you do not have to worry about twisting between wires when combining them Size Chart: Box Package Size: 17cmx9.5cmx2.5cm/6.69inchx3.74inchx0.98inch Package Includes: 20pcs 212 (2 ports), 20pcs 213 (3 ports), 10pcs 215 (5 ports), with a packaging box Note: Please allow slightly errors 1-2cm differences due to manual measurement.