Pattress cutting template

This is a cutting template for cutting holes to suit 2 gang mains sockets as used in the UK. Simply line up the marks on the rim with an existing socket if required, ensure that the template is level and then draw around the inside of the box.The hole in the template is is slightly oversize to allow for clearance around the box.

The spirit level bubble was bought from Amazon and is approximately 9.4mm diameter and 40mm long.
https://www.amazon.co.uk/gp/product/B07FB5BJ8W/ref=ppx_yo_dt_b_asin_title_o01__o00_s00?ie=UTF8&psc=1