What Our Gearhead Experts Are Saying:"The Sender Screwgate Carabiner is my go-to for weight-conscious climbs. The D-shape handles easily, and the orange safety marker is a great visual cue for added security. It’s compact, durable, and perfect for any environment—even in icy or dirty conditions."For climbers who count every gram, the Mammut Sender Screwgate Carabiner delivers lightweight performance and reliability. Its compact D-shape design ensures easy handling, while the key lock nose eliminates snagging during clipping and unclipping. The orange safety marker provides a clear warning if the carabiner is not fully screwed closed, enhancing security on demanding climbs. Unlike twist-lock versions, the screw-locking mechanism performs reliably even in dirty or icy environments, making it an essential tool for alpine and technical pursuits. Whether securing belays or anchors, the Mammut Sender Screwgate Carabiner is built to inspire confidence every step of the way.