This is the 16mm diameter version of the grey Heavy Duty Walking Stick Ferrule, an extremely sturdy walking stick ferrule designed for heavier, prolonged use.When fitted securely to the base of a walking stick, this ferrule provides heavy duty, non slip grip and support for the user. This grip reduces the risk of slips and falls, thus reducing injury concerns for the user. This can aid elderly and disabled people who are unsteady on their feet, providing a secure base to facilitate safer walking. This Heavy Duty Walking Stick Ferrule is an inexpensive and effective walking aid for all walking stick users.