Advantage: 
--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 high 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.
 
Using Method: 
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 
 
90PCS Package List: 
2 Port, A221-412 (45pcs) 
3 Port, A221-413 (30pcs) 
5 Port, A221-415 (15pcs) 
 
Kindly Noted:
1. Due to the different display and different light, the actual color of the items may be slightly different.
2. Please allow 1-3mm slightly measuring deviation due to manual measurement.
3. If you have any questions about the items, please contact us first, we will solve those problems as soon as possible, thanks.

DataCaciques