Inner Size: 3.7 x 3.5mm/0.15 x 0.14inch(L*W); Overall Size : 9 x 12.8mm/0.35 x 0.5inch(Dia*H). Fit Switch: 12*12*7.3mm Square-Head Tactile Switch. Easy to install,good quality for long time use. Great replacement for the old or broken buttons cap on the tactile switch.
