Description:  Excellent for getting into very small places these micro silicon polishers get into the  tiniest of grooves, holes, etc.  Use the polish tip mandrel to hold them and just put them in your rotary tool or flexshaft machine.  Comes in fine, medium and coarse grits.  
 
Approximate Size:  3mm x 23mm
Material:  Silicon with abrasive
 
Made In Germany