Festool 486560 HM 105/4.5 Jigsaw Blade, 4 1/8 Inch, 5 TPI, 1-pack Ideal for fast cuts in fiber-reinforced plastics, cement board, chipboard, and other similar materials Temperature resistant carbide tipped teeth for a long service life. 4 1/8 inches long, 5 TPI, for materials up to 3 1/8 inches. Universal T-shank design fits most professional jigsaws. Made from high-quality materials in Germany