Wearable to the risk of walking on icy or slippery surfaces. 4 High-density steel teeth. High elasticity, suitable for different sizes of shoes. Easy to put on and take off to fit boots, sports shoes and casual shoes. Very suitable for hiking, mountain climbing, ice fishing, etc. Material: high density manganese steel, rubber Colour: Black Size: 30 * 4.7 cm / 11.8 * 1.9 inches packing list: 1 *pair of crampons 1 *Handbag Only the main product non-slip studs are sold, other products are not sold, and shoes are not sold. notes: Due to manual measurement, please allow a difference of 1-3mm. Due to the difference between the monitor and the light, the picture may not show the actual color of the item, thank you for your understanding. Remarks: The crampons are designed to be used on highways and even glaciers below 3000m; they are not suitable for ice climbing or high-altitude areas above 3000m. Package include: 1 pair of crampons Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.