DEEN 1/4 Square→3/8 Square Quick Spinner Adapter (Gold)

[Product specifications]
Overall height: 23.3mm
Diameter: 30.0mm
Drive: 1/4 female to 3/8 male

This quick spinner adapter converts a 1/4 square drive to a 3/8 square drive.
The overall height of this unit is shorter than a conventional drive adapter.
Not only does it function as a drive adapter, it functions as a convenient method to quickly spin the drive on your ratchet with your fingertips, before final tightening or to quickly spin off a fastener after the initial loosening procedure.