FREE SHIP (United States)
Grinding Stone Size: 4 Inch X 2 Inch X 5/8"-11 Female Thread Inner Hole. One Grit 46 and One grit 150
Fits 5/8"-11 Thread Spindle Grinder or Polisher
Green grinding stones are made from green silicon carbide, which is more abrasive and 30% more durable than black grinding stones.
Do Good Job for shaping and grinding stones like granite, marble, non-ferrous metal, glass etc