1、High quality breadboard designed for solderless testing of electronic circuits. 2、Various electronic components can be inserted or pulled out as required. 3、Plastic and metal material, reusable, environmental recycling. 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 Parts: ABS Weight: 64g / 2.3oz  Tie Points: 700 holes Layout: 60 lines, 12 rows, 700 holes Matching jumper wire diameter: 0.8mm Size: 175 * 45 * 8mm / 6.9 * 1.8 * 0.3in Package List: 1* Breadboard