The Grivel G12 Cramp-O-Matic EVO Crampon is an absolute legend in the world of mountaineering "the king of crampons" if you like and used for climbing mountains all around the world. These Grivel crampons have 12 points, 8 of which in the front and 4 in the back, allowing a perfect stability and performance in all snow and ice conditions. The Grivel G12 Cramp-O-Matic EVO Crampon adapts to any type of boot thanks to the rigid regulation bar in the middle and are quick and easy to fit with tool free adjustment and the durable steel front bale and heel clip that provide a secure fit. Grivel G12 Cramp-O-Matic Evo Crampon Features: Nickel Chrome Molybdenum Steel Strong and Durable Steel Front Bale and Heel Clip Rigid Regulation Bar Nylon Webbing Straps Simple Locking System Tool Free Size Adjustment Grivel Anti-Bott front and Rear Certification: CE EN 893, UIAA 153 Weight Approx 970g