Product Feature ✨--All kinds of standard test probes can be used to check the lever nut. ✨--Don't need any tools to connect wires, just using your hands. ✨--There is a test hole at the back of the lever nut and the hole are designed to check whether the wires have electricity or not. ✨--You don't need to worry about a twist between the wires when you combine the wires. These lever nuts are safer than other methods for connecting wires due to use PC insulating material. ✨--Transparent and good quality cover, which can make you check the wire length, complete wire insertion through its transparent cover. It is convenient to confirm whether the wires plug the jack or not. How To Use 1.Open the housing of wire to 0.35-0.47in 2.Push the orange levers to 90° and insert the wires 3.Three is a test hole on the back of the connector 4.Replacing wires method.Push the operating levers to pull the wires out Product Specification Type Compact Wire Connector Material PC Rated Voltage 250V Rated Current 32A Cable Range 0.14-4.0mm² Stripping Lenth 10mm/0.39inch AWG 24-12 Quantity 90PCS Package Included 🎁2 Port,A221-412 (45pcs) 🎁3 Port,A221-413 (30pcs) 🎁5 Port,A221-415 (15pcs) On Feb 22, 2024 at 22:13:55 PST, seller added the following information: