DELTA DIAMOND PRODUCTS INCORPORATEDRipper Pro Premium 4 Inch X .250 Crack Chaser Blade, 7/8"-5/8" Arbor, V Shaped for Crack Repair in Concrete, Asphalt (4" X 1/4")

Delta Diamond Ripper Pro Premium 4 Inch X .250 Crack Chaser Diamond Blade, 7/8"-5/8" Arbor, V Shaped for Crack Repair in Concrete, Asphalt (4" X 1/4")

Delta Diamond Ripper Premium 4-1/2 Inch Tuck Point Diamond Blade, 1/4" Width, for Mortar Removal (4.5" X .250)

4" Diamond Tuck Point Blade for Mortar Joint Removal, Single Blade, 3/8" Segment Width, 7/8"-5/8" Arbor