Mammut Bionic 8 Belay Device
Mammut Bionic 8 Belay Device

For a scant 2. 4 ounces, the Mammut Bionic 8 Belay Device lets you belay or rappel with any diameter rope, including twin and half rope setups. Mammut built this classic, simple device using hot-forged I-Beam technology that gives it an impressive strength-to-weight ratio.

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