Set of 60 steel ball bearings. 20 each of 13mm, 16mm & 20mm diameter. Suitable for a variety of uses in the physics lab in experiments involving collisions, etc.
Come in storage jar (stored in lubricating oil to prevent rusting).
Set of 60 steel ball bearings. 20 each of 13mm, 16mm & 20mm diameter. Suitable for a variety of uses in the physics lab in experiments involving collisions, etc.
Come in storage jar (stored in lubricating oil to prevent rusting).