A.G.E. Series by Amana Tool MD7400 Fine Framing/Decking 7-1/4-Inch Dia x 40-Teeth x 5/8-Inch Bore, ATB-FT Grind, Carbide Tipped Saw Blade One of the most aggressive framing blades on the market. 7-1/4-Inch Diameter, 40-Teeth 20-Degree Hook Angle, 5/8-Inch Bore With Diamond Knockout, ATB-FT Grind .070-Inch Kerf, .047-Inch Plate Carbide Tipped, Industrial Quality Saw Blades For Fine Framing/Decking And Composite Materials (Trex).