This 2-pack of the 1/4"-20 Male to 3/8"-16 Male Hexagon Screw Adapter from CAMVATE can be used in various on-set applications to convert female threads to male. Each adapter allows you to convert a 1/4"-20 female thread to a 3/8"-16 male, or a 3/8"-16 female to a 1/4"-20 male.

Both adapters feature a 1/4"-20 male on one end and 3/8"-16 male on the other, with a hexagon nut in the center. The hexagon nut allows you to tighten and loosen the converter using an appropriate tool, not included.