DAVID K.wrote a review of Black Diamond Oz Carabiner on November 28, 2012
Familiarity: I've used it several times
Solves the one problem I always had with wiregates - snagging.
These things are still plenty big but really light. They are now my 'go to' for alpine draws and spare biners, though i still prefer the color-coded CAMP 23 Nanos for racking my cams