Electrical Supplies
Traditional Wired Doorbell Push Button, in Matt Black With Porcelain Press
An attractive traditional wired push in a Black finish. Suitable for wired doorbell systems up to 24v or battery powered. This push is 76mm dia with a distance between the two holes of 60mm. The movement & contacts are contained behind the front plate...
https://www.bizrate.co.uk/electricalsupplies/traditional-wired-doorbell-push-button-oid24180623894.html