← Gear database

Black Diamond Oz Screwgate Carabiner vs Unknown Phantom Carabiner

Weight and specs compared for 2026 — and which one to choose.

Unknown Phantom Carabiner is the lighter option — 4 g lighter than the Black Diamond Oz Screwgate Carabiner (13% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Black Diamond Oz Screwgate Carabiner Unknown Phantom Carabiner
Weight 32 g · 0.032 kg · 0.07 lb 28 g · 0.028 kg · 0.06 lb
Brand Black Diamond Unknown
Category Safety Safety
Black Diamond Oz Screwgate Carabiner
32 g

Ultralight screwgate carabiner for via ferrata.

Full details →
Unknown Phantom Carabiner
28 g

Lightweight climbing carabiner at 1oz. Full UIAA certified.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Black Diamond Oz Screwgate Carabiner vs Unknown Phantom Carabiner: which should you buy?

If saving weight is your priority, the Unknown Phantom Carabiner wins — at 28 g it is 4 g (13%) lighter than the Black Diamond Oz Screwgate Carabiner (32 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.

More safety comparisons

Black Diamond Oz Screwgate Carabiner vs Fox 40 Micro Whistle Black Diamond Oz Screwgate Carabiner vs Acme Tornado 636 Black Diamond Oz Screwgate Carabiner vs Edelrid NINETEEN G Black Diamond Oz Screwgate Carabiner vs Cypher Climbing Mydas Ultra II Black Diamond Oz Screwgate Carabiner vs Camp Photon Black Diamond Oz Screwgate Carabiner vs Sawyer Squeeze Mini Water Filter