1.The set includes: universal rubber bumper for trekking poles. You will receive 8 rubber buffers for the Nordic style for most trekking poles with a diameter of 11 mm. Regular inspections are recommended to ensure use 2.Highquality material: trekking poles made of rubber material are made of TPR rubber material, which has high strength and wear resistance. The recessed metal plate effectively absorbs the impact of hard surfaces and protects the maximum circumference of your trekking poles 3.Nonslip shock absorption: the bottom of the rubber buffer of the trekking pole is equipped with a thread to increase with the ground, ensure stronger grip and traction, effectively prevent slipping and ensure comfort and when mountaineering 4.Easy to remove: The rubber buffers for Nordic walking poles can be removed and replaced at any time to prevent accidental injury to others caused by the tip of the trekking pole while protecting the backpack from damage during storage