About This Product material: the connector is made of high-strength plastic, the terminal is made of brass, which has high chemical stability, conductivity, waterproof, dustproof and safety, and the terminal is made of brass Performance: Easy to install under welding and crimping, safe and reliable connection, no looseness and light weight Easy installation: the buckle design ensures that the contact is inserted into the housing accurately and completely, and there will be a "click" sound to prevent it from slipping out of the connector, and it can also be easily disassembled Widely used: suitable for motorcycles, trucks, ships, jet skis, scooters, cars, ships and so on The package includes: (356 PCs/26 sets) 1/2/3/4-pin 22-16 AWG automobile super-sealed waterproof wire connector set with male and female terminals and silicone rubber cable seal with ratchet crimping tool Overview Connector Type : Crimp Contact Material : Brass Insulation Material : Polyvinyl Chloride Terminal : Pin, Socket Material : Brass, Plastic