The ultralight Black Diamond Oz quickdraw set with a slim 10mm Dynex runner delivers the ultimate in weight savings. Equipped with dual wire gate Oz carabiners, quickdraw set is linked by a lithe Dynex dogbone runner for a superlight and sturdy performance. Pound-for-pound, Dynex is stronger than steel and has greater abrasion resistance and durability than standard nylon runners. Dynex is also more flexible and lighter weight than nylon runners and offers superb impact-, freeze- and water-resistance that climbers can appreciate. Rubber Straightjacket insert in runner loop keeps rope-side carabiner in proper orientation for easy, efficient clipping. Carabiners are made of anodized 7075-T6 aluminum for lightweight strength smooth gate systems provide a reliable performance. Carabiner geometry fits snugly in your hand and is angled at the nose to clip easily into protection placements. Wire gate carabiner makes rope clipping smooth and fast with their flat shape low gate mass minimizes lashback. Dynex runner break strength: 22kN.