Features: Made of plastic and aluminum plate, possesses clear colors, easy and convenient to use and operate. Solderless Breadboard can be assembled in fixed unit, making replacement and installation convenient. Solderless Breadboard accepts wires with a diameter of 2029AWG and is very suitable for the prototypes and circuit design experiment and other DIY projects. Can be reused, environmentally friendly recycling; very suitable for the assembly, debugging and training of electronic circuits. Can modify or revises the circuits easily. Specifications: Material:PCB Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Solderless Breadboard