Features:
Includes 2 three-way pivot arm assembly extensions and 4 thumb knobs.
Designed to make your Gopro extend in different angles.
Can also be used with any other adapters like gopro mount｣ｬ helmet mount｣ｬ etc.
Durable material and easy to use.

Specifications:
Compatibility: For Gopro HD Hero 1/2/3/3+
Material: Stainless steel + PC
Color: Black
Weight: 57g / 2.0oz

Package List:
2 * Three-way Pivot Arm Assembly Extension｣ｬ
4 * Thumb Knobs