FeaturesRubber End Cap for Hammers Trekking Poles and PolesMake Poles and Canes Run Smoothly on Any TerrainGreat for Holding Poles Off SlidesFit Most Brands of Hammers and Poles (Please Pay Attention to Size). Lightweight and Durable Rubber Inside the bottom of the end cap is a metal insert for better durabilityNo tools required to mount them on the poles as they all snap into place.100% brand new and high quality Material: RubberColor: BlackBottom Diameter: 23mm Inner Diameter: 10mm Height: 42mm Included in the Package: 12 x Trekking Poles End CapsNote:1.Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before bidding.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.