A pack of twenty (20) 204271 HS 75/1.2 Bi/20 Steel/Stainless Steel Cutting Jig Saw Blades for use with Festool Trion and Carvex Jig Saws. These HCS Bi-Metal Blades have a basic rippled design and are ideal for cutting both non-ferrous metals (aluminum, brass, etc.) and steel. Blades are 3" (75.00 mm) long with 21 TPI and will cut through material up to 2-5/32" (20 mm) thick. Germany