• 6 blades: 2 bi-metal HSS for metal, 4 HCS for wood
• T-shank fits all T-shank jigsaws (Bosch, DeWalt, Makita, Milwaukee, etc.)
• Includes: 1 ea. 3072320 (3 in./20 TPI), 3072314 (3 in./14 TPI), 3072406 (4 in./6 TPI), 3072412 (4 in./10 TPI); 2 ea. 3072410 (4 in./10 TPI)
• HSS blades for ferrous/non-ferrous metals, aluminum, sheet steel
• HCS blades for hardwood, softwood, plywood, laminate, particle board

The Irwin Marathon 6-piece T-shank jigsaw blade assortment covers the most common cutting applications in one convenient package. The two bi-metal high-speed steel blades handle metal cutting from thin sheet to medium stock, while the four high-carbon steel blades tackle wood from fast rough cuts (6 TPI) to smooth finish cuts (10 TPI). T-shank design allows tool-free blade changes on all modern T-shank jigsaws.