A convenient set of drilled balls for all your pendulum experiments. Each ball is 25 mm in diameter and has a 3-mm hole drilled exactly through the center. The set of twelve includes two each of brass, aluminum, steel, cork, wood, and copper. The ball set comes in its own clear plastic storage box.
Additional ResourcesNo Additional Resources at the time.
Flinn Catalog/Reference Manual Page 644
Flinn Middle School Catalog/Reference Manual Page 299