Ball spring plunger is a ball shaped device that is used to push or pull a load. The ball is connected to the load by a cable, and the ball can be released by pulling on the cord. Hand retractable spring plunger are similar to ball spring plungers, but they are designed to be operated by hand. Both types of plungers are available in the USA. ball spring plungers are typically used for heavier loads, while hand retractable spring plungers are better suited for lighter loads.
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