Dimensions: These Rubber Walking Stick Plugs are 39mm long, with an inside diameter of 11.5mm . Fits most hiking poles. Anti-slip function: the install your hiking stick and climbing stick with anti-slip coating, you can drive smoothly on any terrain, such as mossy stones, or hard concrete roads, roads, hills pavements or gravel You can use it on the road and feel the extra traction the technique provides, which can help reduce the risk of slipping and falling and improve stability. Feature of easy to carry: There are 20 pieces in this set. Due to its small size, it is very suitable for transportation. After a long period of use, the Rubber Tips wear out and become loose and slip easily. Very practical to protect your hiking pole and Extended use time. Spiral design: At the bottom of the rubber, the spiral pattern is adopted to hold the ground firmly. There is a metal washer inside to prevent the metal tip from piercing the rubber by adding an extra metal layer to extend the life of the rubber tip Gift for mountaineering enthusiasts: It is a good gift for those who love outdoor sports, especially those who love rock climbing, rock climbing, etc.