  Aluminum oxide grinding disk.
Grinding wheel made of aluminum oxide bonded to a fabric mesh. Sort of like hardened sandpaper in the form of a disk meant to be used with a small angle grinder.
Source: Harbor Freight Tool Company
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 17 March, 2009
Price: $5
Size: 4"
Purity: <50%
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