Replacement Walker and Cane Tips with Metal Inserts,1/2inch Durable & Extra Stability, Black, 4 Count (4/8 inch for Quad Cane), by RIANT WHEEL

Fits Standard Quad Canes: Fits aluminum and wood crutches and Quad Canes.
Strong Reinforced Base: For better durability, Reinforced with a metal insert to prevent the cane from poking through.
Shock-Absorbing Ability: Tips are made of 100% natural rubber.Not only is Slip-resistant, but keeps better stability on smooth surfaces. It also reduces hand and wrist fatigue by absorbing the impact of every motion.
Set of Four Tips: easy to install and replace the missing, worn or damaged cane tips