Bosch 4-1/2 in. Small Angle Grinder Premium Turbo Rim Diamond Blade for Smooth Cut for Concrete and Masonry Materials DB4542C - The Home Depot
EDiamondTools 4.5 in. Turbo Diamond Saw Blades for Concrete or Masonry, 1.5 in. Cutting Depth, Wet or Dry, 7/8 in. to 5/8 in. Arbor TB45X_THD - The Home Depot
9inch DeWalt FlexVolt Diamond Cutting Wheel for Concrete | Chas. E. Phipps
DEWALT 4.5-in Diamond Grinding Wheel in the Abrasive Wheels department at Lowes.com