The Petzl Attache 3D Screw-lock, the original mini-HMS carabiner has been redesigned to be ultralight. Through a series of scientific calculations the ATTACHE 3D has been reduced to a mere 55 g by removing all unnecessary material while maximizing strength. The 3D shape keeps the original ATTACHE versatility while reducing weight. The rope-bearing surfaces have been optimized to balance fluidity with a minimum of excess weight. Overall the ATTACHE 3D combines the versatility of a mini-HMS carabiner in a compact, light frame for fast and light adventures. The ATTACHE 3D is an ultralight compact pear shaped carabiner with a fluid gate design that reduces the chance of slings or webbing catching on the gate or locking sleeve. It features a SCREW-LOCK system.