3 Segmented Diamond 7-1/4 Blade Fits Bosch Circular Saw Cut Concrete Paver Tile 3 DIAMOND 7-1/4 SAW BLADES FITS BOSCH CIRCULAR SAW DRY TYPE Specification" This Listing Is For 3 7-1/4diamond Blades These Will Fit All 7-1/4 Inch" Circular Saws And Most 7 Inch Angle Grinders Each Blade Has A 5/8 Arbor Hole With A 7/8 Diamond Knockout The Blades Are 7-1/4 Inch Dry Segmented Blades Max" Rpm 8600 These Blades Are Great For All Your Concrete Or Tile Cutting Needs