Waterwood 1 Pcs Short Universal Rotary Extension Arm Mount for Gopro Hero Series Black 100% Brand new and high quality Made of PC plastic material, more durable. Compatible with Gopro Hero 4/ 3+/ 3/ 2/ 1, and accessories mounts. With the extension arm, you can make different combinations and get more shooting angles. Package Included : 1 x Short Universal Rotary Extension Arm for Gopro