Infinity Resin Zero Tolerance Wheels are great for stock removal and cleaning sinks prior to polishing.  
 
Available in 2" and 3" x 1 5/8"
Can be used Wet/Dry
Resin Filled for smooth grinding and less chipping
Great for working sink corners prior to polishing
Recommended 4000-6000 RPM
For softer materials or Marble, use at 4000 RPM for less chipping.