Resin Filled cup wheels are perfect for chip free grinding and honing. 
Diamonds are specifically placed on the cup wheel for maximum speed. 
Resin is filled to eliminate bouncing, or "biting" into the material-the things that cause chipping.
5/8-11 thread
Perfectly balanced.
Smooth, chip free grinding and shaping

Fine Grit - Product# 7682

Medium Grit - Product# 7681

Coarse Grit - Product# 7680

4" Weha Resin Filled Cup Wheels