Janice Lange from SAINT PAUL, MN United States
Great. I use them in nail polish. I will order more.
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4 mm steel balls
September 25, 2012
Il Giaguaro from Palo Alto. CA
This goes into the ignition switch of an antique BMW motorcycle. It and its brother are spring loaded to keep the switch in place by means of a groove in the switch shaft. How's that for an arcane use of a precision ball?