The AbleTripod Walking Cane Base is an ergonomically designed stable and innovate rubber replacement cane tip. This triangle base cane tip allows a walking cane to be self-standing, providing maximum stability and function to a standard walking cane. The AbleTripod Walking Cane Base is composed of a durable, specially weighted, rubber compound that has just the right amount of flexibility, giving the base its remarkable performance. The AbleTripod gives cane users confidence to negotiate even the narrowest steps and stairs. The cane base flexes as the user walks, absorbing impact and pressure. The tips of the pods flex, grabbing while rolling through and maintaining contact with the ground. The stability of the AbleTripod base is not compromised on grass, gravel, or sand, where typical cane tips may sink into the ground. The unique design of the AbleTripod Walking Cane Base allows the user to lean into the cane for support and balance. The patented AbleTripod easily replaces a standard walking cane tip. The base is available in 4 standard-size openings: 5/8 inch, 3/4 inch, 7/8 inch, and 1 inch. Please use the diagram to determine size needed for proper fit. AbleTripod Walking Cane Base Assembly Instructions AbleTripod Walking Cane Base Specifications: Fits canes measuring: 5/8 inch, 3/4 inch, 7/8 inch, and 1 inch. Measures: 4.5 inches wide, 4.25 inches long. Weight: 8.5 ounces.