Durable Material: The rubber tips are made of durable rubber, easy to fit and hard wearing. Size: The hole diameter: 11mm, standard size fits almost all trekking poles perfectly. Protector: The Rubber tips protect the trekking metal tips,reduce the friction between trekking tip and road for long-term use. Occasion: The rubber tip is suitable for cement road, slippery road, steep road. Application: There is a integrated metal washer inside the rubber tip that protect the rubber protectors from being damage by trekking poles tips. Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. Material: rubber Color: black Weight: about 14.4g Size: length 44mm Hole diameter: 11mm Width: 24mm Package includes: 10pcs* cane tip set