Connector set Box includes 50 pcs screw terminal block connectors: 20 twopin, 20 threepin, and 10 fourpin units to meet a variety of project needs. Performance and compatibility performance rating: designed for up to 150 V and up to 6 A, suitable for a range of electronic applications. Wire size compatibility: accepts wire gauges from 18 AWG to 26 AWG, allowing selection of the appropriate gauge for your wiring requirements. Ease of use Convenient connections: screw terminal design enables quick installation and removal, improving efficiency during setup and maintenance. Use scenarios Prototyping and development: ideal for quickly wiring sensors, microcontrollers, and other components on projects or test rigs. Power distribution for small electronics: suitable for distributing power to LED strips or small motors within safe voltage and current limits. Robotics and automation: useful for wiring controllers, actuators, and peripheral devices where reliable, modular connections are needed.