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Message: <blockquote data-quote="Tree Sparrow" data-source="post: 1446383" data-attributes="member: 68728">Hi balvertI have to admit that the box I attempted to make has a hole of 30mm..........that was the smallest drill thingy I could find.  When OH made his much better one he found another set of the drill thingies which had a 28mm one.  28mm is meant to be the size to use for tree sparrows but of course it won't stop the bluetits using it instead lol.As you can probably tell I'm not very good at DIY o<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin    :D" loading="lazy" data-shortname=":D" />.TS</blockquote>