Crampons Dynafit CRAMPONS 100 MM Lightweight Resistant Easy to use The CRAMPONS 100 MM knives by Dynafit will offer you more safety by providing excellent grip on icy snow. These crampons are available in various sizes and are compatible with all Dynafit brand bindings. Lightweight, sturdy and easy to use, what more could you ask for Compatible with skis with a skate width of less than 100 mm.