ADAFRUIT INDUSTRIES 85 SHIELD STACKING HEADERS ARDUINO (R3 COMPATIBLE) (1 piece)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Our set includes 1x 10-pin header， 2x 8-pin headers， 2x 6-pin headers， and one 2x3 header.</li><li>The legs are all 10.5mm long， so after PCB thickness (1.7mm) you have a height of 8.8mm - just enough to clear the Arduino's USB-B connector</li><li>They’re also fully compatible with shields designed for Arduino R3 and the Leonardo</li><li>shields that don’t use the 10-pin header or 2x3 header， use the 6 or 8 pin ones.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41rbFlK6WrL.jpg" noproxy>