Here's what other sites are saying:
Mammut Bionic 8 Belay Device FEATURES of the Mammut Bionic 8 Established beam technology Design one of the lightest belaying devices in the world The optimized size/weight ratio and the large carabiner opening Enables use with thin ropes, makes the Bionic 8 the ideal all round belaying 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.
For an all-around belay device that handles all diameters of ropes, from twin to single and everything in between, rack up the Bionic 8 belay device from Mammut - one of the lightest, simplest devices available. It's made using beam hot forged technology that makes optimal use of the materials, resulting in a lighter, yet stronger device.
- Mountain Gear
Description of Mammut Bionic 8 Belay DeviceEstablished beam technology has made it possible to design one of the lightest belaying devices in the world, without any loss in performance. The optimized sizeweight ratio and the large carabiner opening, which also enables use with thin ropes, makes the Bionic 8 the ideal all-rounder.FeaturesWeight in g 67
- US Outdoor Store