4x4 Car - Ball Top Cap Adaptors

Took it out of the package and it clicked right onto my 20 mm arm with zero fuss—no tools needed at all. The ball joint feels solid and holds my phone steady even on bumpy trails. Exactly what I needed for a clean mount setup.

Snapped it onto my 1” socket arm in about ten seconds, no tools needed, and the ball joint holds my phone rock-solid even over washboard roads. The familiar ball design means I can swap devices between the car and my bike mount without fiddling. Exactly what I needed for quick access on my weekend r

The ball design locks onto my arm with a solid click, and the no-tools install took me under a minute in the driveway. Fits perfectly on my 1-inch socket arm, and the grip on the cap feels sturdier than I expected for the price.