4.5", TSD-S Husqvarna Segmented Diamond Blade, 4" Diameter x .080" Blade Segment Thickness x 7/8" Or 20 MM Or 5/8" Bushing Arbor Size, Wet Or Dry Ceramic Tile, Stone, Fiberglass Or Cement Siding, Cutting, Tools, Angle Grinders, Circular Saws, Tile Saws.