4 pcs. Ball Tips Travel Pole Tips Seniors Walking Balls Black Hole 22mm Description: [Durable Material]: The ball tips are made of thickened rubber material, wear-resistant, good strength, sturdy and durable. [Anti-slip bottom]: The bottom of the reed tip is made of imitation tire pattern, which has better anti-slip effect and prevents accidental slipping. [Reinforced Gasket]: Ball foot cap, built-in metal gasket, puncture and durable to use. [Widen Design]: The cane tips are well made, and the wide bottom will greatly increase stability and good grip, suitable for walking on uneven surface or loose terrain. [Wide Application]: Ball tip replacement, wide fitting walking balls for seniors, canes, canes and hiking canes. Specification: Product Size: Bottom Diameter x Height (Optional) Black 14mm: 3.3cm x 3.1cm/1.30 inch x 1.22 inch Black 16mm: 3.3cm x 3.1cm/1.30 inch x 1.22 inch Black 19mm: 4.1 cm x 5.3 cm/1.61 inch x 2.09 inch Yellow 19mm: 4.1 cm x 5.1 cm/1.61 inch x 2.01 inch Black 22mm: 4.1 cm x 5.1 cm/1.61 inch x 2.01 inch Yellow 22mm: 4.1cm x 5.1cm/1.61 inch x 2.01 inch Yellow 25mm: 5.3cm x 4.4cm/2.09 inch x 1.73 inch Yellow 28mm: 5.4cm x 4.7cm/2.13 inch x 1.85 inch Material: rubber The package includes: 4 tips for the ball Note: