This 4-pin (male) socket fan connector kit allows you to create your own fan power cord. The connector is compatible with 2-pin and 3-pin, 4-pin fans (depending on whether you have a third RPM RPM wire). The shell is made of durable black nylon 66 material. The kit includes: 5 4-pin female connector housings and 20 terminal crimping pins. We are committed to providing the best products and services. If you are not satisfied, please contact us.