Description Description: Use and Design: 1660 Holes Solderless Breadboard, specially designed for solderless experiments in electronic circuits. It is ideal for electronic circuit assembly, debugging and training. It can also be used for experiments, testing and robotics. User Friendly: This Solderless 1660 Tie Points Breadboard allows various electronic components to be inserted or removed as needed, without soldering. This saves circuit assembly time and makes components reusable. Essential Tools for Lab: 1660 Hole Breadboard is an important tool for connecting circuits in lab. Mastering its use can improve experimental efficiency and reduce the occurrence of experimental failures. Features: Solderless Breadboard has clear structure and color and is easy to use. Can be spliced according to fixed units. Material and Size: Solderless Test Board is made of PP and aluminum, the size is 16.5cmx11.1cmx0.85cm/6.50inchx4.37inchx0.33inch. Size Chart: 16.5cmx11.1cmx0.85cm/6.50inchx4.37inchx0.33inch Package Includes: 1 set Solderless 1660 Tie Points Breadboard Note: Please allow slightly errors 1-2cm differences due to manual measurement.