Specifications: Material: Plastic+Metal Color: Silver+Black Package Includes 200pcs x Female Crimp Pins 200pcs x Male Crimp Pins 10pcs x 2x6 10pcs x 2x5 10pcs x 2x4 10pcs x 2x3 10pcs x 2x2 20pcs x 1x6 20pcs x 1x5 20pcs x 1x4 20pcs x 1x3 40pcs x 1x2 50pcs x 1x1Ideal product for wire connection This pin header is commonly used in electronic products, such as: B. Printed circuit boards in measuring devices. It also works well with all typical outlets and sockets. Can be used to repair and extend the power cord. It is also an excellent product for connecting cables in the automotive, electrical, medical and Internet sectors. Nice range for hobbyists If you want to make your own plugs or adapter cables, this product is a good choice. The connector inserts can be easily crimped, which means that cables can be assembled quickly. You can also buy these connectors to make various crafts. Long Life The kit is made of sturdy plastic and tin-plated metal. Internal pure copper (can increase conductivity) and antioxidants used for surface plating, making it longer service life.No confusion Our products are sorted and packed in a transparent plastic box. You can use it directly during installation without having to classify it yourself. And each part is kept in a specific area to avoid confusion when shaking.