X="3.4" y="2.2"/> - 2 x switching (normalling) stereo jack without switching contact, horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav2-0 A Series, 3 pole male XLR receptacle, grounding: ground contact to mating connector shell and front panel, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.75u Matias/ALPS keyswitch, 1.75u, PCB mount, retention spring instead of the shaft notch (if it is not intended to apply smooth.