• Best For: Stone and tile crews with a 5/8-11 threaded grinder who need a 7-inch coarse cup wheel.
• Highlight: Coarse-type Premium Grade for Stone cup wheel, model MK-404 PW, in the larger 7-inch diameter.
• Expert Note: This is the 7-inch MK-404 PW; the 5-inch version is a separate part (159307), and both use a 5/8-11 nut.
