Docooler Strap Type Crampons Ski Belt High Altitude Hiking Slip-resistant 10 Crampon (Lighter Version) Strap binding lets you use the crampons with any kind of boot or shoes. Strong steel construction features ten sharp steel points. Comes with a quick-adjust sizing mechanism (hexagonal wrench equipped) that provides a precise fit. Updated version with stainless steel quick-adjust sizing mechanism, tougher than before. GPU-AA plates prevent snow from building up. Carry bag included for storing and keeping your crampons safe. Suitable for trekking, climbing and ski alpine activities.