- Black rubber tips Sysfix model 3170102, designed for crutches and canes with 18 mm diameter - Pack of 4 units with internal metal washer that reinforces durability and resistance - Suction cup base provides greater grip and stability while walking - Made of high-quality natural rubber, ideal for intensive use in mobility aids - Improve safety and comfort by reducing the risk of slipping - Easy to install and compatible with most standard canes and crutches - Effective solution to renew support and extend the lifespan of your mobility devices