Aluminum Alloy Flat Bottom Mount Adapter For Gopro HD Hero 1 2 3 3+ 4 SJ4000<br>Feature:<br>Color: Black Silver Red BlueFit for Gopro HD Hero 1 2 3 3+ 4 SJ4000Low profile design minimizes camera shake and mounts low and stable for best sports performanceCompatibility-hole spacing 1 inch， countersunk for M4 flat head socket screw， M5 bolt for camera attachment<br>Package included:<br>1 x Flat Bottom Mount Adapter For GoPro1 x Tool<br>Detail pictures: