Concord Blades LDS120C10HP 12 Inch Multi-Purpose Laser Welded Drop Segmented Aggressive Diamond Blade Aggressive Cutting of Concrete, Reinforced Concrete, Asphalt, Green Concrete, Hard Brick, light & heavy weight Block, Pavers, Roof Tile, Natural Stone 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 or Dry Cooling Holes & Drop Segments allow blade to cut through hard materials without fear of the core cracking