Description:
Made of metal materials, durable
With standard 1/4"-20 through hole design, suitable for the camera and magic arm which needs connect each other with 1/4” screw hole.
Total length/height: 17mm (measured by hand, may be a little more or less)
Outer diameter: 20mm

Package Include:
1 x 1/4" to 3/8"(or 1/4" to 1/4") screw adapter