Add a micro-slice standard solderless breadboard to your Perma-Proto or other perf-board. This 4×4 point solder-less breadboard is a good way to add some solderless prototyping space if you just need to have a couple points. Comes with one 18mm x 13mm x 10mm piece of solder-less breadboard. There are four white posts on the bottom for PCB positioning, but you can cut them off with diagonal cutters if you dont want them. Technical Details 4 rows of 4 holes Breadboard: 18mm x 13mm x 10mm / Weight: 2g Breadboard Datasheet