Grivel G 12 - a classic 12-point crampon designed for general mountaineering, alpinism, mixed ice and rock climbing, and moderate waterfall routes. The four points that are perpendicular to the crampon rails, prevent shearing in soft snow and improve security while descending (facing outward). The crampons are fully adjustable by hand, without tools and one size fits all. G12 is easily folded for transportation. The G12 crampon is delivered with the Anti ball plates included. Manufactured from cromolly steel. Weight 1050g (inc. anti-ball plates) Fits boot sizes 37 - 47 Available with 3 binding options - New Classic (NC), New Matic (NM), Cramp O Matic (COM)