ACR Electronics Bivy Stick vs Black Diamond Oz Screwgate Carabiner
Weight and specs compared for 2026 — and which one to choose.
Compact two-way satellite communicator with SOS, GPS tracking and app-based messaging over the global Iridium network.
Full details →Ultralight screwgate carabiner for via ferrata.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
ACR Electronics Bivy Stick vs Black Diamond Oz Screwgate Carabiner: which should you buy?
If saving weight is your priority, the Black Diamond Oz Screwgate Carabiner wins — at 32 g it is 68 g (68%) lighter than the ACR Electronics Bivy Stick (100 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest safety page, or browse the full gear weight database.