The Aero's solid bar construction resists wear and tear and creates a consistent surface that gives smooth rope control. A Keylock nose prevents catching on gear and ropes, giving easy installation and retrieval from rigging systems. The Aero gives robust performance anywhere in a climbing system.
Personal lockers are used where weight and size are as important as strength, such as on sling runners and for most connection points on belay stances. In a standard 2 person climbing team, most of your locking carabiners will be personal lockers.
D-Shaped carabiners encourage loading in their strongest orientation by forcing loads toward the carabiner spine. An Offset D refines this basic design by extending the top bar, increasing internal volume. This improves handling and compatibility with thick ropes and slings.
This carabiner's nose slots into a groove in the gate, allowing it to achieve full strength without a gate notch. This creates a clean internal profile that won't catch on gear, bolts or slings, giving easier clipping and removal from systems.
I-Beam construction techniques allow carabiners to be lighter without compromising strength. This is achieved through hot forging, a process which allows metal to be made into complex shapes that improve functionality.