RVFM Mild Steel Ball Bearings
- RVFM 70-0157, Mild Steel Ball Bearings, ideal for demonstrations & experiments with magnets & magnetism. They can also be used for making the traditional 'get the ball into the hole' types of puzzle or maze games as part of a design or technology project. Naturally, they can also be used in bearings & for demonstrating methods of reducing friction. RVFM Ball Bearing 5/32in. Pack of 100