Superior Material: Our Walking Pole Tips Are Made Of Durable Rubber. The Rubber Material Can Reduce The Friction Between The Trekking Poles And The Road To Extend The Service Life And Protect Your Trekking Poles; And Can Help Absorb Shock, Make Sidewalk Hiking Quieter.Size: Internal Hole Diameter Is 12Mm, Outer Diameter Is 23Mm, Height Is 40Mm, Standard Size Fits Almost All Hiking Poles Perfectly.Value Pack: The Rubber Tip Of The Walking Stick Is A Consumable Item That Slips Easily After Prolonged Use, So You Need To Replace It Frequently; Our Value Pack Comes With 20 Rubber Tips For Walking Poles, Enough For Daily Use.Convenient Design: There Is A Built-In Metal Washer Inside The Rubber Tip Which Protects The Rubber Protectors Against Damage From The Tips Of Hiking Poles; And The Rubber Spike Ends Are Non-Slip Inside And Not Easy To Fall Off. It'S Great For You To Have Extra Tips Especially For Long Trips.Application: Suitable For Most Alpenstocks, Walking Sticks, Hiking Stick; Provide Grip, Traction And Stability For Your Rides. Cover The Circle, Increase The Contact Area With The Ground, Especially For Hard Surfaces Like Paved Paths, Roads, Sidewalks, Cement Roads, Slippery Roads, Steep Roads Or Rocky Terrain.