Introducing our 17 - piece pluggable screw terminal block kit! It comes with 2 - pin, 3 - pin, 4 - pin connectors (10, 4, 3 pcs respectively) and a screwdriver. With a 5.08mm pitch, it fits 12 - 28AWG wires, handling 300V and 10A. Crafted from PA66 plastic (body) and tinned brass + high - quality steel (screws & nuts), it skips welding—just use screws for easy install/removal, great for beginners and experts. Perfect for PCB boards, power modules, computers, home appliances, and more. It works well in - 40℃ to + 105℃, offering a handy wiring solution for electronic projects and repairs.