Once installed, these Index Plungers are very easy to use and provide accuracy in their function. Used for locating, positioning, and rapid adjustment of all kinds of tables, platforms, gym equipment, catering equipment and fixtures. All these parts have a 90 degree locking function for extra stability. The black knob enhances the appearance and makes tightening the Plunger once in place easy and effective.
Diameter = Plunger Diameter.