This thread adapter converts between 1/4" and 3/8" UNC threads.
It is made of chrome plated brass.
Overall height: 4.8mm.
Bottom flange dimensions: 10 x 0.7mm
Quantity: one (1) piece
The rotator on the Ultralight Panohead has a 3/8" thread, and already includes one (1) thread adapter. You can purchase extra adapters as spare, or for your other camera products.