Features Firm Connection: Tin plated copper material will better improve the electrical conductivity, which ensures firm and stable connection. Various Headers: There are 2 pin, 3 pin and 4 pin connector, each and 100pcs, while the 2.54mm pin spacing suits for 18-26 AWG wires. Extensive Using: Widely used in automobiles, fax machines, computers, 3D printer boards, electronic toys, circuit boards and so on. Easy to Install: Crimp and press the jumper wire connector so that the crimp insulation is always facing the wire, quick to install. Good Durability: Combining premium plastic material with metal, the pin header terminal has excellent durability for long term using. Specification: Item Type: Jumper Wire Connector Material: Plastic Rated Temperature: 85℃ Package List: 100 x 2 Pin Jumper Wire Connector 100 x 3 Pin Jumper Wire Connector 100 x 4 Pin Jumper Wire Connector Package List 100 x 2 Pin Jumper Wire Connector 100 x 3 Pin Jumper Wire Connector 100 x 4 Pin Jumper Wire Connector