4.2mm(no.8)
socket driver size 7mm
overall head diameter 8.8mm.
4.8mm(no.10)
socket driver size 8mm
overall head diameter 10.5mm.
5.5mm(no.12)
socket driver size 8mm
overall head diameter 11mm.
6.3mm(no.14)
socket driver size 10mm
overall head diameter 13.5mm.