Features: 1450PCS kit includes the most common connector pin housings and male/female crimp pins. Perfect selection of parts to make both male and female connectors in sizes from 1 to 10 pins. Work greatly for Dupont with all your typical breadboard style pin connectors and sockets. A popular choice for DIY electronic project, home electronics prototyping or repair work. Compatible for Arduino and Raspberry Pi projects. Packaged and assorted in a plastic case, convenient and easy for use storage.