3-row right angle breakaway header with 40 pins per row (3x40 total), 0.1 inch (2.54mm) standard pitch 90 degree angled headers saves board space and enables vertical connector mounting Pack of 5 These are gold plated right-angle headers with 40x3 pins, the 90 degree angled orientation allows connectors or wires to exit perpendicular to the board—ideal for space-constrained designs.. They are break away and will take a bit of effort to break this beast where you need it to break. That being said, if you need a big header like this, it’s easy enough to break it where you need. The pins are spaced at 0.1" and there are 3 rows of 40 pins.