The Petzl Am'D Screw-Lock is a D-shaped locking carabiner specifically designed as a belay biner. Also suited to connecting to descenders or lanyards, the Petzl Am'D Screw-Lock has an asymmetrical aluminium design that ensures its light weight. The Keylock system facilitates easy use and manipulation, even when wearing gloves, and the SCREW-LOCK version has a manual screw-lock with a red band that provides a visual warning when the carabiner is unlocked for safety. Features D shape is particularly suited for connection to equipment such as descenders or positioning lanyards and can hold a large quantity of equipment The D shape enables good handling and the shape is designed for gripping with gloves on Keylock system to avoid any involuntary snagging of the carabiner H cross-section ensures an improved strength-to-weight ratio and protects markings from abrasion Specification Gate Clearance mm: 25 Gate Closed kN: 27 Gate Open kN: 7 Keylock: Yes Minor Axis kN: 8 Width Widest mm: 66 Colour: Grey Length: 111mm Material: Aluminium Weight: 70g Declaration of Conformity (Download from Petzl)