PETZL - VASAK, Crampons for Classic Mountaineering INTENDED USE: The VASAK classic mountaineering crampons are designed for many uses, from glacier travel to snow couloirs. The horizontal front points ensure solid purchase in hard snow. LIGHTWEIGHT: The thinner frame minimizes the weight of these crampons (810, 840, to 875 grams depending on style). POINTS: The VASAK crampons have a total of 12 points each. COMPATIBILITY: Choose between LEVERLOCK UNIVERSEL and FLEXLOCK bindings in order to attach to all types of boots (with or without front and rear welts). EXTRAS: The ANTISNOW system (included with crampons) limits snow buildup in any conditions.