• Best For: Granite fabricators who need a 1-1/8-inch-diameter wet-drilled opening.
• Highlight: Premium-grade granite bit in the 1-1/8-inch diameter, one step above the 1-inch MK-290GW (158919).
• Expert Note: Keep water flowing while drilling; this listing states only the 1-1/8-inch diameter, so verify the thread against your drill before ordering.