This is a Snap On Torque Adapter – 1/4″ Spline with a3/8″ Drive. Part number FRES8. Otherwise excellent. This has the holes in the side for the detent ball. my item 15156.

This is a Snap On Torque Adapter – 1/4″ Spline with a3/8″ Drive. Part number FRES8. May have a few fine scratches from storage. Does not have any personal markings or sand marks. This is the type with NO holes in the side for the detent ball.