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R.T.
Reviewed in the United States on July 15, 2024
The Ultra 'O' is a true oval carabiner, rated at 25 Kn (5,260 lbs.) in the closed and locked position. It is outstanding in quality and function. I use it for textiles, pulleys, and mechanical ascender/descender devices. It has an 'I-beam' cross sectional profile, which makes it suitable for a variety of devices that specify a carabiner with an I-beam cross section.
Geoff Rhodes
Reviewed in the United States on July 10, 2021
Very nice oval carabiner. Triple locking action.
Brian
Reviewed in the United States on August 13, 2020
Had these before nice biners
Chris Boardman
Reviewed in the United Kingdom on February 10, 2020
Maybe I am doing something wrong, but I can't easily operate this Krab one handed
TheWildMan
Reviewed in the United States on September 25, 2019
It has all the quality you would expect from DMM. The gate opens well and this carabiner fits the Pinto Pully (many carabiners are too small) very well. The first time I was able to use it was actually working on a 10/12 roof as part of a Horizontal Life Line, but it will get put into my standard tree climbing setup once I am done with that project.
niklovin
Reviewed in the United States on June 21, 2019
very nice
James E.
Reviewed in the United States on December 15, 2019
Nice carabiner ,smooth action.
AquaNut
Reviewed in the United States on November 18, 2019
Overall, I really like the smooth feel of the body and action on this carabiner. It took some practice before I could open them with one hand, but they easy to work with. Shortly after I got them, I had one fail to close automatically. It was not stuck on a burr and the spring felt normal. It snapped shut when I barely touched it, but I was able to reproduce it one time (after a considerable amount of fiddling). It worked flawlessly after that.
vigroovian
Reviewed in the United Kingdom on October 4, 2019
Great Carabiner - I’m using it as part of my kit for work. Super reliable and versatile.
Gazanaz
Reviewed in the United Kingdom on January 12, 2019
All DMM kit is the best you can get.
Robert Fejes
Reviewed in the United States on July 29, 2018
Super light oval 'biner.
Dariusz Skrzypczyk
Reviewed in the United Kingdom on April 21, 2016
Very good carabiner
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