The HS 105/2bi jigsaw blade is a longlife, bimetal blade for fine cuts in non-ferrous metals, aluminum, iron, sheet steel, extrusions, etc. The precision milled teeth of this corrugated blade are extremely tough and last a long time, even in hard to cut materials. A good general purpose blade for all non-wood materials for cuts up to 3 3/8 inches. 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.