They work, switch on and off reliably. Make no mistake if you need more than two of these. The blue dot is bright enough to be seen during use but not that distracting. The only thing to watch out for are these, and most other non-US made switches are less than 3/4 inch in diameter. If you use a 3/4 inch drill bit they will be loose. Drill a 5/8 inch hole and file the hole to an exact fit.
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