Ex-Pro® GoPro Hero 3, 3+, 4 Lens Metal Ring Mount & Holder, inc Screwdriver, inc Screwdriver. CNC Anodized coloured aluminium, available in a range of colours. [Adapters only - for use with GoPro Dive Housing – 197' (60m) AHDEH-301 Not included]. See images for visual check. Lens ring has an integrated lanyard hole, so you can use any standard lanyard to loop though this for your GoPro - Search ASIN B00D6MD948 for neck version. What's in the Box ?Ex-Pro® GoPro Hero 3, 3+, 4 Lens Metal Ring Mount & Holder, inc Screwdriver.Ex-Pro Eco pack :- Where possible we will be shipping as many of our traditional retail packs/boxes in easy-open eco-friendly re-usable packaging to reduce waste, this keeps our pricing low and reduces our carbon footprint (and of course yours too). Available with other accessories.