Features:
58mm lens filter adapter ring for GoPro Hero 3/3+/4.
Install， remove and operate lens smoothly.
Super smooth surface finishing and made of aluminum alloy， sturdy enough.
Lightweight and compact， convenient to take along.

Specifications:
Material: Aluminum alloy
Product size: Approx.7 * 7 * 1cm / 2.8 * 2.8 * 0.4in
Package size: 12.5 * 8 * 1cm / 4.9 * 3.1 * 0.4in
Package weight: 14g / 0.5oz

Note:
Filters and camera showed in the picture are not included.

Package List:
1 * Lens Filter Adapter Ring