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11-11-2010 | 09:56 AM

#20

mdowney

Tech Master

iTrader: (21)

Joined: Jun 2010

Posts: 1,562

From: Seattle, WA

Quote:

Originally Posted by mikbau

Thanks everyone

For the RPM ball cups, is it just the heavy duty ones, or the larger 3.5mm versions?

~m

You want the heavy duty 4-40 ball cups. Amainhobbies.com has them in several colors.

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