1 x 6-1/2” General purpose Wood Blade with 24 Tooth Carbide Tip To use with wood, Cuts plywood, pressure-treated wood, hard & softwood. 1x 6-1/2” Finishing Wood Blade for clean and fine cutting thin Kerf with 60 Teeth Carbide Tip design to use with hard & softwood. 1x 6-1/2” General purpose Metal Blade with 36 Tooth Carbide Tip to use with non-ferrous metals, aluminum, copper . Max RPM: 7000 DIMENSIONS: 6-1/2”, 165 mm diameter Arbor: 5/8", 16mm