Protect your trekking pole stick from attrition on the rough ground during walking or hiking. There is a metal piece that accomodates the metal tip on the trekking poles and do not worry wore through. The tips are easy to put on and provide good grip on pavement and good Friction on hard pavement. These trekking pole tips are generic and fit for majority standard trekking poles snuggly without being too tight or too loose. Save the wear and quiet the noise, help balance and make walking easier for the senior or the disabled. Features - Color: Black. - Material: Glass fiber. - Size: 5.5 x 4.5 x 2.5cm/ 2.17 x 1.77 x 0.98 inch. - Mprove traction and stability: Suitable for hard surfaces such as roads, paved trails, sidewalks or rockey terrain, help to provide extra traction and stability, prevent from skidding and tripping. - Good protection: The inside sturdy metal wahser of the rubber tips can prevent the metal spines poking through and extending its service life, protect the metal spines away from premature wearing. These rubber tips also can prevent accidental injuries and reduce terrain scars. - Medium hardness rubber material. Tips flex and absorb some of the shock.