Diameter : 6-1/2 In Cutting Edge Material : Polycrystalline Diamond Teeth Type : TCG Number Of Teeth : 4 Arbor Size : 20 Mm Speed Rating : 8800 Rpm Kerf : 0.07 In Material : Carbide Finish : Smooth Applicable Materials : Fiber Cement Suitable For : Bosch 20 Mm Arbor, DeWalt 20 Mm Arbor, Makita 20 Mm Arbor, Milwaukee 20 Mm Arbor And Ryobi 5/8 In Arbor With Included Bushing