Martindale Medium Pencil Type Commutator Finishing Stone 3/4 x 3/4 x 3 in.
Commutator dressing and finishing stone. These are unmounted (no handles) with the smaller sizes used for small motors and generators. Larger sizes can be clamped in a lathe or portable grinder.
Grade: Medium (90 grit)
Height: 3/4 in.
Length: 3 in.
Width: 3/4 in.
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