Freud D055030FMX Wet & Dry-Cut Saw Blades; Blade Diameter (Inch): 5-1/2 ; Blade Material: Carbide-Tipped ; Blade Thickness (Decimal Inch): 0.0590 ; Number of Teeth: 30 ; Arbor Hole Diameter (mm): 20 ; Application: Steel Studs; Angle Iron; Flat Bar; C