This Quickpack of durable and affordable Black Diamond Quicksilver quickdraws comes with slim 10mm Dynex runners for great weight savings. Straight and bent gate Quicksilver II carabiners are linked by a lithe dogbone runner to create a strong, durable and lightweight quickdraw. 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 bent gate 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. Upper, straight gate clips into protection, while the lower, bent gate carabiner makes rope clipping smooth and fast.