An excellent aid climbing biner, and the perfect racking biner.
The DMM Ultra O Carabiner may look like a historical remnant from 1970s, but it's actually a very practical biner that works exceptionally well in pulley systems , which uses hot forged I-Beam panels to maximise its strength/weight balance.
Most climbers will see it as the perfect racking biner - it can hold a large number of wires without the awkward bunching that tends to happen with a conventional asymmetric biner. Its oval shape also means that the wires will slide round easily without snagging.
Strength (gate closed): 25kN
Strength (gare open): 7kN
Strength (minor axis): 7kN
Gate opening: 24mm
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