Volt Meter > Small

This is my top mount housing for a small Volt Meter.

I am using this one on 2 boards, the mounting holes are little small for available screws, but you can drill it out if you have problems finding a m1 coarse thread screw like I did.

Volt Meter
http://www.ebay.com/itm/LCD-Indicator-Battery-capacity-Tester-voltmeter-12V-24v-36-48V-Lead-acid-Lithium-/281874204243?hash=item41a1030653