This premium grade diamond wheel is STIHL’s top-of-the-line asphalt diamond wheel. These diamond wheels offer a higher concentration and quality of diamonds, providing superior cutting speeds and maximum wheel life. Undercut protection reduces wheel sidewear for use in highly abrasive materials. Available in 12", 14" and 16" diameters. See STIHL Dealer for details. View the STIHL Diamond Wheel Application Guide (PDF)