3 in

Black Polypropylene Swivel Plate Caster, 120 lb capacity, locking, enhanced stability and dependable braking, Made in the USA

Commonly used on utility carts, rolling storage racks, and mobile workstations that need both easy movement and secure stopping

Well-suited for workshops, garages, and backroom environments where equipment is frequently repositioned and then locked in place during use

Also i for DIY furniture or custom builds that require reliable mobility with added stability for safe, stationary operation