Kandla grey sandstone with machine cut edges Regatta Universal Exports displays Kandla grey sandstone bring processed with machine cut edges. Stone masons are very careful with the product when this technique is used. This delivers a very fine finish as the edges are cut with water cooled saw. Water plays an important role in not only reducing the heat generated while cutting but also makes it easier to cut through the stone. When compared to hand cut edges, machine cut has its own finer attributes that is considered essential for big projects. This is preferred for big projects where the processing quantity is large, and time is limited.