[3KH-06: Second side width: 6mm]
[3KH-10: Second side width: 10mm]
[3KH-05: Second side width: 5mm]
[3KH-12: Second side width: 12mm]
[3KH-08: Second side width: 8mm]
[3KH-03: Second side width: 3mm]
Can also be used for power tools such as impact wrenches.