These heavy duty 10 gauge wire connectors are 2 pin connectors and 2 wire connector, featured as waterproof connector. quick to disconnect or connect. Don't hesitate to hold them! Feature made of quality copper 12 inch long 10 gauge 2 pin red and black wire quick connect and disconnect Applications Typically used with automotive, motorcycles, cars, trucks, bike, lawn motors, boats, RV's, ATV, inverters, amplifiers, solar panel hookups, solar chargers, LED light bar hookups, electric toy tractor,VHF radios, CB radios, marine radios, fish finders, installations of stereos, GPS, power winches, trickle chargers and other device.