58mm or 57mm hole for lights

At the point of putting up the headliner and leds. The leds need a 58mm hole cutting, but I am struggling to find a 58mm hole saw,. Could I get away with a 57mm or shall I just keep searching?
 
Is the headliner already lined with the fabric when you make the cut?
 
No it's not lined as yet. Was going to cut my holes first, before I lined it
If you tuck your liner through the hole to make a neat job, then allow for the compressed thickness of the liner too. (Is what I was going to say) :)
 
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