The DMM Phantom Screwgate is one of the world's lightest locking climbing carabiners. At just 42 grams, but with a huge amount of strength for its functional size, this could be the ultimate trad carabiner. If you want to indulge in the extra security of a locking biner with no weight penalty then look no further. Features Versatile and lightweight keylock Screwgate (42g) Strong and light I-Beam construction Offset D-shape to encourage correct loading and increase volume to enable improved handling and compatibility with thicker ropes and slings Keylock nose to eliminate snagging Available only with a Screwgate locking system to keep weight to a minimum Specification Gate Clearance mm: 16 Gate Closed kN: 24 Gate Open kN: 9 Keylock: Yes Minor Axis kN: 9 Width Widest mm: 54 Length mm: 94 Material: Alloy Weight: 42g