Foxnovo 360pcs Insulated Crimp Terminals Electrical Wiring Wire Connectors Butt Spade Ring Fork Assorted Kit (Red+Blue) Color: red and blue. Material: durable copper, PVC and tinplate. 360pcs 9 Types Insulated Crimp Terminals Electrical Wiring Wire Connectors Butt Spade Ring Fork Assorted Kit. Provides a secure connection between two wires without soldering. All the insulated terminals are packaged in a clear plastic box case with 18 compartments for easy access.