If you got a Car/Vent/Dash Mount with 17mm phone holder, now needed to get it more room for freely movement, this 17mm Ball Mount Extension Adapter will help you with it by adjusting its double rotable ball end. It is tightened perfectly for use. Made of lightweight yet sturdy alumium, solid for long use, even in the bumpy road. The ball sockets are compatible with 17mm dash/vent ball mount for Jeep/Car/Truck

17mm Ball Double Socket Arm - Compatible with car phone holder and Garmin GPS Mount with 17mm ball connetor
Sturdy Material: Made of lightweight yet sturdy alumium, solid for long use, even in the bumpy road
Flexible View Angle: 2 piece of 2.36 inches arms for expanding, flexible rotation arm to your device, allowing for dual 360-degree adjustments to achieve the perfect viewing angle
Package Includes: 2 x 2.36" aluminum double socket arm
Dimension and weight: 2.36 inch; 26g each