Black Diamond Alpine Aiders work great for speed ascents, long routes with a few points of aid and for alpine mixed climbs. Featuring 5/8 inch nylon webbing and five full-sized steps, they're small enough to fit into a shirt pocket. Features: Lightweight and compact Great for speedier ascents when weight is crucial Fit in a shirt pocket yet offer five full steps Specs: Weight: 120 g (4.2 oz) Strength: 6 kN