  Silicon carbide grinding disk. 
Grinding wheel made of silicon carbide 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%
 |  
  |  
 |  
  |