Hi guys.
I regularly use 7,8,10,11,12,13,14,15,16,17,18,19,21,22,24,27,30,32 and 36 mm.
The ones I use but not frequently, are 5.5 and 9 mm.
Very rarely have needed 34 and 65 mm if I recall.
Work on mainly VAG group and BMW. On occasion Jap and French too. Hope this helps.