This 270-piece set includes a variety of copper male and female wire spade connectors along with insulating sleeves, coming in sizes of 2.8mm, 4.8mm, and 6.3mm. These high-quality terminals ensure secure and reliable electrical connections in a wide range of wiring projects. The copper construction offers excellent conductivity, while the accompanying insulating sleeves provide added protection against short circuits. This comprehensive assortment is ideal for automotive wiring tasks, offering versatility and convenience in one package.