Features 1 The trekking pole tips are made of quality rubber, lightweight and durable. 2 Wear-resistant and anti-slip, non-slip tip. 3 Add extra grip. Used on hard surfaces of paved roads, sidewalks or rocky terrain and feel the extra traction of the tip. 4 Protection bars and the environment. These tip protectors prevent premature wear of the metal tips and are also easy for the environment because they can minimize terrain scars and prevent damage to nature. 5 Embedded metal washers. Extend the life of the rubber head by adding an additional metal layer to prevent the metal tip from penetrating the rubber. 6 Material: rubber Size: upper inner diameter 11 mm, upper outer diameter 17 mm, and bottom outer diameter 24 mm Package included: 6 x Replacement Pole Tips Package List