Casters are a general term, including movable casters, fixed casters and movable casters with brakes. The movable caster is also called the universal wheel,http://www.blyshares.com/casters/
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Casters are a general term, including movable casters, fixed casters and movable casters with brakes. The movable caster is also called the universal wheel,http://www.blyshares.com/casters/
