40x1 Pin 2.54 mm Single Row (L 11MM) Male Header 1 Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>2.54mm pitch</li><li>Fits in standard breadboards</li><li>Breakable to smaller sizes.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41yL417yh6L.jpg" noproxy>