Kupo 3/8"-16 Male to 1/4"-20 Male Thread Adapter

Kupo 3/8"-16 To 1/4"-20 Adaptr

This 3/8"-16 Male to 1/4"-20 Male Thread Adapter from Kupo is a small brass adapter that converts a 3/8"-16 female thread into a 1/4"-20 male thread.