Features:
5 types of 17mm ball adapters can be used by themselves
From engineering rubber, good toughness, not easy to break.
Ball adapter extension joint connecting Holder for 17mm magnetic car phone holder.
Round magnetic for head is more stable to fix the phone, ball head rotation adjustment angle.
Can be installed on car record Holder car phone mobilephone holder, tablet stand.

Specifications:
Material: Rubber+plastic
Ball Head: Approx. 17mm/0.67"
Name: MobilePhone Car Holder suitable for 17mm Connection
Ball Diameter: 17mm
Types:5 Types Optional
Top Joint Specifications:
Two Ball Joints of the Same Size
For 17mm Ball for Head

Note:
Due to problem of lighting effect there might be tolerances in product, please understand.
Please allow 0-2mm error due to manual measurement.

Package includes:
1PC Ballhead Extensiont Joint