Countersunk Felt Bobs, 3mm Shank

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These felt bobs are specially designed for polishing flat surfaces, utilizing the end of the bob. The center hole on the bob helps stabilize it while rotating so it is easy to control and won't "walk".

In addition, the tapered sides allow you to polish to the side wall, without it inadvertently being polished.

Available in Diamond-Hard which is the hardest.

Measures 7/8" diameter x 1" high with a 3/8" deep cavity. Mounted on 3mm shanks. Made in USA.
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