Rigid, Plate Caster, Load Rating 125 lb, Swivel Lock Type No Lock Included, Wheel Dia. 2 in, Wheel Width 1 in, Wheel/Tread Material Iron, Wheel Core Material Iron, Non-Marking Yes, Number of Wheels 1, Caster Brake Type No Brake, Tread Shape Standard Light-duty standard plate casters are installed onto the bottom of carts, dollies, business machines, store fixtures, food-service equipment, and other equipment that will be moved manually at moderate speeds. These casters are best suited for applications where they will be transporting relatively light loads along smooth, flat surfaces and won't encounter shock loading, such as in offices, retail stores, schools, and government buildings. Sometimes known as institutional plate casters, these light-duty standard plate casters have zinc-plated.