Carborundum oil stone: For carpenters and engineers. May be used dry or with oil or water. Sufficiently porous to assure a good grinding or cutting action in combination with wax or oil. Combination stone: A combination of two grit sizes. One side coarse for very dull tools, the other one with a fine grit for clean edging work. May be used wet or dry.
碳化硅油石:适合木匠和工程师使用。可以干用,也可以与油或水一起使用。具有足够的渗透性,以确保与蜡或油配合使用时具有良好的研磨或切割效果。结合石:两种粒度的结合石。一边是粗糙的,用于非常迟钝的工具,另一边是细磨的,用于清洁的边缘工作。可湿用或干用。