Grivel carabiners are forged using 7000-series aluminium, the same alloy and forging process as they use for their ice axe shafts, as it offers an excellent balance between light weight, breaking strength and durability. Each one is individually strength tested and as its individual test number laser etched onto it.
The Plume shares it's name with a feather for good reason: this incredibly lightweight biner weighs in at just 28g! A minimal weight on your rack, the Plume K3W makes a great krab for gear-heavy trad route, as well as winter conditions which might otherwise ice-up your gates.
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