1、High quality breadboard designed for solderless testing of electronic circuits, reusable, environmental recycling. 2、Various electronic components can be inserted or pulled out as required. 3、Quickly build an electronic circuit prototype that can be easily modified. 4、No soldering required, saving circuit assembly time. 5、Perfect for electronic circuit assembly, debugging and training. Features: High quality breadboard designed for solderless testing of electronic circuits, reusable, environmental recycling. Various electronic components can be inserted or pulled out as required. Quickly build an electronic circuit prototype that can be easily modified. No soldering required, saving circuit assembly time. Perfect for electronic circuit assembly, debugging and training. Specification: Plastic Part: ABS Color: White  Tie Points: 400 holes One terminal strip: 300 tie points Two distribution bars: 100 tie points Matching jumper wire diameter: 0.8mm Size: 85 * 55mm / 3.3 * 2.2in Package List: 1* Breadboard