Solid bar construction gives a durable carabiner that is ideal for working routes. It also creates a consistent surface for the rope to run over, resulting in smooth handling and softer catches.
A Keylock nose prevents catching on bolts and gear, and makes stripping routes easy, while a solid straight gate improves handling and eases tricky clips.
The Aero makes a good choice for the bolt end of a sport quickdraw, and also works well as a racking carabiner thanks to its clean nose.
An overview of the features and benefits of the Aero carabiner and quickdraws.