Neiko 10769A 14-Inch 80-Tooth Circular Miter Saw Blade with Carbide Tips, Heavy Duty for Metal & Wood Circular miter-saw blades with a 1-inch arbor is ideal for all purpose including softwood, hardwood, lumber, plywood, pressure-treated wood, chip board and more High quality carbide coated tips provide hardness, durability and toughness to protect against fretting, sliding wear, erosion, abrasion, galling and impact Heavy duty thick slide miter saw blade with 2.2mm kerf can handle carpentry, construction, roofing, framing, concrete forming, etc. with speed rated for up to 4300 RPM, 80 m/s Extra large 14-inch diameter circle is constructed with 80 razor sharp crosscut teeth design to create a smooth finish compared to other round miter-saw blades Four expansion slot grooves around the blade, dissipates thermal energy to prevent overheating while reducing vibration to increase user control