【Packing list】A total of 1100 pieces in a box of 6 different sizes of connectors, EN0508:200PCS, EN7508:200PCS, EN1008:200PCS, EN1508:200PCS, EN2508:100PCS, EN4009:100PCS, EN6012:100PCS, 【Meet the needs of different people】0.5/0.75/1.0/1.5/2.5/4.0/6.0/10.0mm²(22/20/18/16/14/12/10/8AWG) This multi-functional kit includes insulated butt joints for most specifications of wire. 【Copper Contact】The connector terminals are made of copper plating, which is anti-oxidation and corrosion-resistant. Offering high conductivity and low resistance, wire copper crimp connectors provide a simple and safe way to achieve a reliable connection. 【Connectors are widely used】Widely used in household appliances or DIY. Machinery, electricity, railway, shipbuilding, aviation, household appliances, computers, car audio installers/hobbyists. This wire copper crimp connector provides a good solution for wiring safety pins. 【How to use the connector】 The connector will turn any power wiring work into a fast and efficient process. Simply use the crimping tool to press down on your terminals. Difficult electrical connections can be made in a matter of seconds.