Solderless 1660 Breadboard Super Kit – 1660 Tie-Points Experiment Plug-in Breadboard with Aluminum Back Plate Compatible for Arduino is the perfect tool for prototyping electronics. With its 1660 test points in total (including 2 terminal strips 1260 tie-point and 4 bus strips 400 tie-point), and 3 binding posts, it offers ample space for experimentation. The ABS plastic housing, aluminum back plate, and metal contact clips are of high quality and provide durability. Accepting wire with diameter 20-29AWG, the binding posts are coded black, red, and green, and feature colored coordinates for easy component placement. The Solderless 1660 Breadboard Super Kit is a reusable construction base that makes prototyping electronics easy. Get started with your projects with ease with this high-quality breadboard kit.