1.Multifunctional universal size: suitable for most trekking poles and standard trekking poles. Our rubber tips have a standard screw diameter of 11 mm/0.43 inches and fit perfectly with the tip size of many trekking poles, hiking poles and ski poles. 2.Highquality rubber material: Our trekking pole rubber head is made of highquality rubber, which is suitable for different terrain and weather conditions and ensures excellent slip resistance and stability. 3.Extended life: choose our wearresistant rubber hiking pole tips to effectively extend the life of your trekking poles and provide you with longer lasting support during outdoor activities. 4.Various options: provide replacement wellies that meet different requirements: rubber boots for rocky surfaces, gravel overshoes with additional padding, mud boxes for dirty or sandy surfaces and snowbox snow boots for dirt and weathered roads. The pack contains 4 rubbers of one variety.