A compact, lightweight auto-locking carabiner designed for use in anchor attachments and with mechanical devices like assisted braking devices. The Orbit 2Lock is a compact auto-locking carabiner that is particularly well-suited for anchor attachments and for use with mechanical devices like assisted braking devices. The SphereLock nose is very low profile making it easy to attach and remove. The low-profile barrel is easy to operate with one hand. The new optimized design increases strength without increasing weight. A compact, lightweight auto-locking carabiner designed for use in anchor attachments and with mechanical devices like assisted braking devices Low-profile locking sleeve requires two actions (twist and pull) to open Optimized design increases strength without increasing weight Slim nose profile features our SphereLock closure