50 pcs screw terminal block connectors set, including 20 twopin blocks, 20 threepin blocks, and 10 fourpin blocks. Key benefits Flexible configurations to match different circuit needs. Reliable electrical connections for a range of projects thanks to secure screw terminals. Broad wire compatibility enables use with common wiring sizes from 18 AWG to 26 AWG. Simple, efficient installation and maintenance with quick screwterminal connections. Specifications and capabilities Voltage rating: up to 150V Current rating: up to 6A Wire size compatibility: 18 AWG to 26 AWG Applications Prototyping and testing circuits in development and educational environments Power distribution and signal routing in compact enclosures or control panels Wiring sensors, actuators, and small automation components in hobby robotics or DIY projects Notes Includes a total of 50 connectors with configurations of 20 twopin, 20 threepin, and 10 fourpin blocks for versatile use.