Concord Blades LAS120C10HP 12 Inch Laser Welded Asphalt Diamond Blade with Undercut Protection Designed for aggressive cutting of abrasive materials 10 mm segment height, .125" Segment width, 1"-20mm, 20 mm Arbor Can be used on Walk-behind Saws up to 20 HP Can be used Wet Can be used to cut Green Concrete and Aspalt