Material: Crimp Lugs Made of high quality brass, durable, corrosion resistant, low resistance, give the best electrical flow Durability: Each terminal in the electrical connector kit features thick tin-plated brass that resists corrosion to hold the wire tight when crimped. Quick Connect: Male and female terminal wire connection block with insulating sleeve set. You only need to connect the male and female terminals at both ends, then the anchored male and female terminals to complete the wiring easily. Included with plastic box: Well sorted and packed in plastic box, easy for you to store and carry it to anywhere, very convenient for you to use Wide Applications: kits a better kit for your Motorcycle, Car Truck, Scooter, Boats, Electrical Instruments. Package Included: 50PCS Silver Male Bullet Terminal Connectors 50PCS Connectors of silver female lugs 50PCS Plated male lug connectors 50PCS Plated female lug connectors 100PCS Male plated connectors with insulating sleeves 100PCS Insulating Sleeve Female Connectors Total Quantity: 400 pieces