[Bullet Terminal Male and Female Connector with Insulating Sleeves] You only need to connect the male and female terminals at both ends, then anchor the male and female terminals to complete the wiring easily. Quick connection. [Superb material] Bullet lugs are made of brass plated tin, which have high conductivity, anti-oxidation, insulating sleeves are made of nylon, flame retardant insulated, safe and secure. [Long Duration]: Each bullet connector in the electrical connector kit features thick tin-plated brass that resists corrosion to hold the wire tight when crimped. [Safe and Easy to Use] These compliant bullet connectors to all electrical standards, perfectly suited for electrical instruments and automotive applications. Whether you're working on your automotive wire, home or science project, our connectors will ensure everything ties together properly. [STAY ORGANIZED] - Crimp connector set comes in a storage box, easy to store and easy to carry. You can get 90pcs silver bullet terminal, 90pcs gold bullet terminal, 90pcs male insulator sleeve, 90pcs female insulator sleeve.