4" Green Grinding Stone 24 Grit W/ 5/8-11 Thread 10 pc box

Green grinding stones are made from green silicon carbide, which is more abrasive and 30% more durable than black grinding stones. They are used for grinding of granite, marble and other types of stones. They have 5/8-11 thread and can be used with grinders, either dry or wet. Please always wear safety glass and other protections when using grinding stones. Box of 10.