Just looking at the gate, you can tell that the engineers over at Petzl did everything they could to make the Ange L Lite Wire Gate Carabiner as light as possible, but you can't tell how this carabiner works for virtually any style of climbing. Sure it's ideal to have a rack full of these tiny, superlight beauties on alpine approaches for long multi-pitches to faraway summits, but it's also delightful to clip these bad boys on light-and-fast redpoint attempts and single pitch sport projects. The MonoFil Keylock not only reduces weight and eliminates snagging, but also assures a smooth clipping experience as well as a longer lasting lifetime compared to standard wire gate carabiners. There's a subtle, deflected indent on the bottom to help prevent slings and dogbones from sliding up the carabiner, and an H-profile reduces weight without hindering the carabiner's overall strength.