All Metal ¼-20 to Cell Phone Adapter.  This is our favorite all-metal cell phone adapter and works nicely on the Positioning Arm.  Ideal for a Heavy Duty or NetCam. 
 
Plastic parts can break on the backstop.  Metal parts never break.
 
The range of the adapter is from 2.5 inches to 4.25 inches. This is our recommended ¼-20 to Cell Phone Solution.
 
Its great to to have the option of using your cell phone to film.  I've gotten some of my best game film on my cell phone.  Ready Streaming and instant access to all Social Media are good reasons to be able to secure your phone on a fence and capture game action.