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Compare Best Carabiners & Fasteners head to head
Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.
#2 on this list
Plume HMS K3GH
Grivel
A full-size, fully rated HMS locker that weighs less than most wiregates. Grivel forges the Plume line thin where the load is not and leaves material where it is, which is how you get a pear-shaped locker light enough to carry three of without noticing.
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- How we assessed it
- Specification researched
#3 on this list
MiniWire Carabiner
Black Diamond
The lightest fully functional carabiner Black Diamond makes, and still a real, rated connector rather than an accessory clip. Hot-forged, wiregate, with a nose geometry that clips and unclips cleanly even when your hands are cold.
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- Specification researched
Specs side by side
| Spec | Plume HMS K3GH | MiniWire Carabiner |
|---|---|---|
| Type | HMS Locking Carabiner | — |
| Locking Mechanism | Screwgate | — |
| Gate Opening | Wide | — |
| Material | Aluminum Alloy | — |
| Weight Class | Ultralight, full-sized | — |
| Manufacturer | Grivel | — |
| Maker | — | Black Diamond |
| Gate Type | — | Wiregate |
| Construction | — | Hot-forged aluminum |
| Weight | — | 23 grams (manufacturer spec) |
| Best Use | — | Alpine climbing, ultralight racking |
| Rating | — | UIAA-rated, strength-rated |
What our reviewers liked and didn't
Plume HMS K3GH
- Exceptionally lightweight for a full-sized HMS locker
- Generous gate opening and smooth screwgate action
- Full pear shape accommodates munter hitches and belay devices well
- Keylock nose prevents snagging during clipping
- Strategic forging maintains strength while minimizing weight
- Higher price point compared to standard HMS carabiners
- Thin profile might feel less substantial to some users
MiniWire Carabiner
- Extremely lightweight, ideal for gram-counters
- Hot-forged for high strength-to-weight ratio
- Wiregate resists icing and gate flutter
- Clean nose geometry prevents snagging
- UIAA-rated for real climbing applications
- Small size can be fiddly with gloves or large hands
- Not ideal for high-wear applications like top-roping
- Lower gate opening than larger carabiners
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