Description:

Gopro Mount Three-way Pivot Arm Assembly Extension+4 Thumb Knob For Hero2 Hero3 ST-05

You are bidding for one set of 100% brand new item.
It is made of ABS plastic，good quality. 
This item is to make your Gopro extend in different angles and it can be used with any other adapters like gopro mount，helmet mount ETC.

Package Included:

2X pivot arm assembly
4X thumb knob

Detailed pictures: