SKIL 75140 10-Inch 40 Tooth ATB General Purpose Saw Blade with 5/8-Inch Arbor Carbide circular saw blades offer longer life, durability, fast cuts and very high performance. Tungsten carbide teeth last up to 60X longer than steel blades Expansion slots ensure blades run straight and true Sharp cutting edges deliver fast, smooth cuts Clear anti-stick coating resists heat, friction and binding