Compatible with RAM Mounts B Size: This double socket arm is compatible with RAM mounts any B size 1" ball adapter, fits for any standard B size 1"/25.4 mm ball adapter, great use for extension to connect to your bike phone holder, motorcycle phone holder,sport camera mount, GPS holder
Adjustable and Rotatable: YIMINGYINUO double socket arm 1 ball allows for near-infinite adjustability mounting bases and 1 ball mount holders; easy to install, easy connection, easy to adjust and compatible with ram ball mount 1" double ball socket arms and 1 inch ball mount adapters
Length of The Socket Arm: YIMINGYINUO 1 ball mount double ball socket long arm total length is 5.9 "(150mm), it can help you hold your gps mounts in a much higher level
Universal Compatibility: This 1 inch ball adapter double ball arm compatible with RAM Mounts 1" Ball components in B size, compatible with other 1" ball device holders, like phone mounts, action camera holders, navigation mounts, etc