4 Mako Silicon Carbide Grinding Stones Grinding USA
4″ Mako Silicon Carbide Grinding Stones 4″ Mako Silicon Carbide Grinding Stones are more Abrasive and 30% more durable than Green Grinding Stones They are used for Grinding Granite Marble as other types of Stones They have ⅝ 11 thread and can be used with Grinders Silicon Carbide Grinding Stones are also called Black Grinding Stones