14 inch , EH-5 Husqvarna EXTRM High Speed Segmental Diamond Blade, 14 inch Diameter x .125 inch Blade Segment Thickness x 1 inch Arbor Size With Drive Pin Hole Or 20 mm Bushing Arbor Size, Wet Or Dry Cured Concrete, Masonry, Stone, Cutting, Tools, Hand Held Cut Off Saws, Brick Saws and Walk Behind Saws Up To 24HP.