Casters are a general term, including moving casters and fixed casters. The caster, also known as the universal wheel, is designed to allow 360 degrees of rotation; Fixed casters, also called directional casters, have no rotational structure and cannot be rotated. Generally, two kinds of casters are used together. For example, the structure of the trolley is two directional wheels on the front and two universal wheels on the back close to the pushing handrail.
Fixed caster has no rotating structure and cannot be rotated. Generally, two kinds of casters are used together. For example, the structure of the trolley is two fixed wheels on the front and two universal wheels on the back close to the pushing handrail. Casters casters have a variety of materials, such as cast iron wheel, nylon wheel, and so on.
