6 claws and adjustable width; Buckle type for easy operation. Includes snow plate to prevent snow from sticking to crampons The wide snow plate eliminates the gap between the main unit. For safe mountain climbing: This is a crampon walks in the summer and low mountain walks in the winter. Please do not use for serious snowy mountain climbing. Not suitable for flat sole shoes (cannot be worn unless the arch and heel gap is more than 1 cm.) The most common accident in the case of cramping is the fallen by hanging clothes or crampons on one side with your nail. Snow slopes may cause slipping. Please install it correctly according to the instruction manual (English language not guaranteed).