The 830 solderless allows electronic components to be interconnected in an almost endless number of ways to create a working circuit Compatible with various electronic components such as resistors, transistors, diodes, LEDs, capacitors, etc. Ideal for testing circuit designs in the laboratory One terminal strip: 630 jacks Two distribution strips: 200 jacks \ Phosphor bronze nickel-plated spring clips\ Matching jumper, wire diameter 0.8mm Uses: Experiment, test Features: Recyclable, environmentally friendly recycling structure with clear colors, easy to use ; Breadboards can be assembled in fixed units Quantity: (1 Piece) Solderless Breadboard\Other Products Not Included Size: 1655510mm (for reference only) Color as shown Note, because there may be color and size differences between the light effect photos and the actual product, please allow 1-2 cm error