Strap on boss

[Leo21]

Does anyone no the exact size hole saw I need for a poly pipe strap on boss? Thanks in advance, my dad managed to drop it down the soil pipe today while doing a condense. Doh!

 

[AWheating]

normally 57mm

 

[JJ The Plumber]

57mm is what I use as well

 

[Leo21]

Thanks fellas.

 

[Destroyer2813]

Hum that lost one could crate quite a blockage

 

[Leo21]

I know, I'll have to wait and see. I could kill him, but my mum might get upset.