Concord Blades CTN040A10SP 4 Inch Continuous Rim Narrow Turbo Teeth Diamond Blade .90" Segment Width, 10 mm Segment Height, 7/8"-20mm-5/8" Arbor For use on an Angle Grinder, Wet Stone Saw or Circular Saw Primarily designed for Marble, Granite, Stone and Pavers Can also be used on Concrete, Brick, Block, Stone, Masonry Materials and more. Can be used Wet/Dry-Multiple Cooling Holes