Rockn 1/4"-20 Female to 3/8"-16 Male Screw Adapter for Tripod Camera Plates

The 1/4"-20 Female to 3/8"-16 Male Screw Adapter for Tripod Camera Plates from Rockn screws onto a 1/4"-20 screw and provides you with a 3/8"-16 screw instead. The adapter features a 1/4"-20 threaded hole on the bottom and 3/8"-16 screw on top. It has a knurled design that lets you screw it onto your camera plate tool-free.

It can also be used to convert a 3/8"-16 female thread to a 1/4"-20 female. A washer is included for safer use.