These automotive audio wiring terminals are made from brass, providing outstanding conductivity and durability. The fork and ring-shaped design allows for easy and secure connections, ensuring stable current flow. The included insulating sleeves offer additional safety by preventing electrical shorts and current leakage, making these terminals great for car audio and other electronic applications. Features -Color:Assorted Color -Material:Rubber copper -Size:4.00X1.30X0.80cm/1.57X0.51X0.31in -Size:3.30X0.80X0.80cm/1.30X0.31X0.31in -Durable brass material: made from brass, these terminals ensure conductivity and durability, ideal for reliable electrical connections -Fork and ring design: the unique design allows for easy and secure connections and disconnections, ensuring stable and efficient current flow -Insulating sleeve protection: each terminal includes an insulating sleeve to prevent short circuits and electrical leaks, enhancing overall safety -Wide range of uses: suitable for car audio upgrades, electronic projects, and many other applications, providing versatile and flexible use -Easy to install: designed for simple and quick installation without the need for professional skills, making it great for both beginners and experts Package list: 20 pieces (4 styles) car audio terminals