Description: It is specially designed and manufactured for solderless experiments of electronic circuits. Since various electronic components can be inserted or pulled out at will, eliminating the need for soldering, saving the circuit assembly time, and the components can be reused, it is very suitable for the assembly, debugging and training of electronic circuits. Feature: Recyclable, environmentally friendly recycling Structure is clearly colored and easy to use Breadboards can be assembled in fixed units. Specification: Two terminal strips: 2520 jacks Four distribution rule: 700 jacks Three binding posts Bottom plate: black aluminum plate Phosphor bronze nickel plated spring clips Matching jumper, wire diameter 0.8mm Plastic parts: ABS Size: About 295*252mm Uses: Experiments, Testing, Robotics Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. It is specially designed and manufactured for solderless experiments of electronic circuits. Since various electronic components can be inserted or pulled out at will, eliminating the need for soldering, saving the circuit assembly time, and the components can be reused, it is very suitable for the assembly, debugging and training of electronic circuits. Recyclable, environmentally friendly recycling Structure is clearly colored and easy to use Breadboards can be assembled in fixed units. :