The 400 Holes Solderless Breadboard Bread Board MB102 is a versatile and convenient tool for prototyping electronic circuits. With four bus lines spanning the length of the board and 30 rows of pins, it can accommodate up to four 14-pin DIP ICs or three 16-pin DIP ICs. The rows and columns of tie points are labeled for easy identification and multiple units can be connected for larger projects. This breadboard is perfect for both beginners and professionals in the field of electronics.