FANAUEDouble Socket Arm Connects to 17mm Ball Head Adapter Only, Compatible with Garmin GPS Mount and Bike Motorcycle Phone Holder, Made of Aluminum Alloy with a Length of 2.44".

FANAUE Double Socket Arm Connects to 17mm Ball Head Adapter Only, Compatible with Garmin GPS Mount and Bike Motorcycle Phone Holder, Made of Aluminum Alloy with a Length of 2.44".

The Lord of the Tools 17mm to 17mm Composite Ball Adapter for Industry Standard Dual Ball Socket Mounting Arms Aluminum alloy 17x58mm Industry Standard Compatible with Garmin GPS Brackets

FANAUE Aluminum Handlebar Base Mount Strong Rod Clamp with 17mm Ball Head Adapter for Rails 0.5'' to 2'' Diameter Compatible with Garmin GPS Mounts & Bike Motorcycle Phone Holder with 17mm Ball Socket