Timberline 82540 Ti- Cut and Trade General Purpose and Finishing Diamond Knockout, ATB Grind Carbide Tipped Saw Blade Designed to Cut Softwood, Hardwood and Plywood 8-1/4-Inch Diameter, 40-Teeth 10-Degree Hook Angle, 5/8-Inch Bore with Diamond Knockout, ATB Grind Thin Kerf Carbide Tipped, Professional Quality