Classic 12-point mountaineering crampon. For general purpose mountaineering, VASAK crampons are the way to go. 12 points insure maximum traction in all conditions, whether you are climbing up steep slopes or ice couloirs. The LEVERLOCK binding system is adapted to boots with heel welts. Reliable adjustment: simple (tool-free), precise (half-sizes) with semi-rigid or flexible modes. Comes with ANTISNOW plates. Fits boot sizes 36 to 50 according to length of linking bar.