The Irwin Tools 1807382 Marples Laser Cut 12-Inch 40-Tooth Alternate Tooth Bevel Circular Saw Blade is part of a full line of fine woodworking saw blades that are manufactured in Italy to the highest standards of precision required for fine woodworking and finish carpentry. These industry-leading laser-cut, thin kerf saw blades are produced in a highly-automated, state-of-the-art facility in Udine, Italy - the heart of high-quality circular saw blade manufacturing. Engineered with oversized, high-quality carbide, the new Marples Woodworking Series saw blades provide the extended life and flawless finish professional woodworkers and finish carpenters demand. The blades are precision tensioned for flawless cuts. They also feature a heat resistant, non-stick coating that has an Aluminum Matrix added to it to dissipate heat for easy clean up and truer, cleaner cuts. The 12-Inch 40-Tooth blade features an alternate top bevel where the teeth alternate between a right and left bevel to form a knife like edge on either side for a cleaner cut. This blade is ideal for general purpose cutting on a table saw or miter saw. The 12-Inch 40-Tooth blade works great on hardwoods, softwoods, composite materials and pressure treated lumber.