Breadboard standard size with 830 points. Very comfortable for more bulky project.
Here is a really practical breadboard. Twice as large as the half-size breadboard but not yet too bulky to become annoying, this breadboard will allow you to implement your more ambitious projects. Its size is 16.5 cm x 5.5 cm with a standard separation in the middle (to place the integrated circuits) and a double rail of power supplies on both sides.
These breadboards are designed to get assembled with each-other. By assembling them, it is possible to create a wider and/or longer breadboards. Ideal to adapt the work surface to your needs.