1\/4 Inch CNC Bike Base Mount Adapter Hole 360 Degrees Rotating Pivot Arm For GoPro Hero 3 3 Plus 4 Xiaomi Yi SJ4000 SJ5000 SJcam  <br> Features:  Easy to use and install， work perfectly Material: Aluminum 360 degree rotating arm，12 direction positions 1\/4 inch base hole， universal for Gopro 1 2 3 3 + 4， Xiaomi Yi SJ4000 SJ5000 SJcam， Canon， Nikon， SONY with the 1\/4 inch mount adapter  Package Included:   1 x Rotating Pivot Arm Mount Adapter (not include camera)  Detail Pictures: