CNC Aluminum Flat Quick Release Buckle Mount Base 4 Holes For GoPro Hero 1 2 3 3+ Xiaomi Yi SJ4000 SJ5000 SJcam
Features:

Easy to use， with extra 3 strong holes for M4 screw (NOT included) fit anywhere you like
Hold to the Helmet， tree， wall， boat， bike， motorcycles etc
Material : CNC aluminum
Fit for: Gopro HD Hero1 / 2 / 3 / 3+ Xiaomi Yi SJ4000 SJ5000 SJcam
Size: 4 x 5 x 1.3cm
Color: Black， Blue， Red， Green， Gold， Silver

Package Included:

1 x CNC Alu Flat Base For GoPro

Detail Pictures: