Concord Blades TCCB140C12SP 14 Inch Heavy Duty Laser-Welded Segmented Diamond Blade With Large Cross Drilled Holes For Heavy Duty cutting of Concrete Cured & Reinforced Concrete, Roof Tiles, Concrete Pipes, Asphalt layer over concrete, Pavers, Sandstone, Limestone 12 mm segment height, .140'" Segment width, 1"-20mm, 20 mm Arbor Can be used on Walk-behind Saws up to 35 HP Can be used Wet or Dry Heavy duty concrete blade, with a 12 mm segment height, has specially designed bigger cross drilled holes for greater heat dissipation.