The adapter ring allows you to mount UV lens, gradient filter lens, polarizing lens of 58mm diameter on to the housing for GoPro Hero 3 3+ 4 Black / Silver Editions
For Filter Size: 58mm - Please verify your filter thread size before order
Adapter ring fits a specific style housing (the square portion has 8 screws).
Made of aluminum alloy by CNC, anodized black finish, firm and durable.
Compatible with GoPro Hero 3 3+ 4 Black / Silver Editions.