QNCZ 4" Caster Wheels, Outstanding Casters Set of 4 Heavy Duty, Silent Industrial Casters, Locking Casters Wheels for Furniture, Castor Wheels for Cart, Workbench.

Thanks for the link. I have these on there currently: https://www.amazon.com/QNCZ-Outstanding-Industrial-Furniture-Workbench/dp/B0BZ88ZNTS/ref=sr_1_4_pp?crid=23L18RAXB2IYA&dib=eyJ2IjoiMSJ9.Vd0DB0a0VzWFgL9jVJIGzIeq9DvnwO5z2d3eSkzwnNoCPZ-B8XWAh-sVu9ZamWpmhEpzH8DWQkBmqNdK1g4Sex6DIa3E1WQ-MTz63r7Un2EHt8WAa0_HiCLEqdaujiRaNzGliVVVdd-FSFeWyXJ80wdKWLidEzs1bVOP1wGhCM2UV2g2rOSVgP9KpNJuZbGb_a1KodEjt9a2NZcsnhBrL2my5v7JvZEfQQN2oV7YSWtzPhkfbu_t8bkot9tlIULOD4viES4QIIcXnasmyQ8M5N9nARtpFoOYWNbRLhilZL0.nKm-c6siWJgScqXvfJd8-YUAj4CjWCxZl7OGxtMIy9M&dib_tag=se&keywords=casters&qid=1782177140&s=industrial&sprefix=caster%2Cindustrial%2C195&sr=1-4&th=1 They are sturdy, especially when I have it pushed agains the also locked workbench. I'm going to use it for a few days like this and see how I feel about them.