The S105/4 FSG jigsaw blade is the gold strandard of jigsaw blades. This jigsaw blade is thicker than any other available on the market. The benefit? Perpendicular cuts can be made even in thick and hard to cut materials. Combined with a Festool jigsaw, the S105/4 FSG blade can make perpendicular cuts in materials up to 3 3/8 inches. The cross-set tooth design is perfect for very fast cuts in tough materials. Festool jigsaw blades are engineered for cutting efficiency, long life, and superior cutting results, with a universal T-shank design that fits most professional jigsaws. Festool has the right blade for any application or type of material, ensuring precise and consistent results. In order to select the right jigsaw blade for your application, think first about the type of material you want to cut, since there are blades available for wood, plastics, non-ferrous metals, steel, and special materials like fiberglass, foam, and other materials. Next decide what kind of cut you need: fine, fast, scroll, clean. This will help to decide which blade is right for you. All Festool jigsaw blades are made in Germany from high-quality materials for the best possible cutting results. Pack of 5 jigsaw blades. Ideal for softwood, hardwood, melamine, veneered plywood, and chipboard. Cross-set teeth for fast cuts, extra thick for perpendicular cuts, saving time on rework. HCS tool steel quality, 4 1/8 inches long, 6 TPI, for perpendicular cuts in materials up to 3 3/8 inches. Universal T-shank design fits most professional jigsaws. Made from high-quality materials in Germany for professional use.