Hole Diameter: 3.1mm/0.12inchOverall Size : 8.5 x 10.5mm/0.33 x 0.41inch(Dia*H). Fit Micro Switch: 6*6mm Round-Head Tactile Switch with Height 9/ 9.5/ 10/ 10.5/ 11/ 11.5/ 12/ 12.5/ 13/ 13.5/ 14/ 14.5/ 15/ 15.5/ 16/ 16.5/ 17/ 17.5/ 18/ 18.5/ 19/ 19.5mm, Not suitable for smaller than 6x6x9 size. Easy to install,good quality for long time use. Great replacement for the old or broken buttons cap on the micro switch.
