Light Duty Rubber/PVC/PP/PU Caster

It is also very difficult to trace the history of casters. However, after people invented the wheel, it became much easier to carry and move objects. However, the wheel can only run in a straight line, and the change of direction when carrying heavy objects still remains. It was very difficult, and later people invented wheels with steering structures, which are what we call casters or universal wheels. The emergence of casters has brought an epoch-making revolution to people's handling, especially moving objects. Not only can they be easily transported, but they can also be moved in any direction, which greatly improves efficiency.