This heavy-duty combination blade is produced with extreme precision user lasers to cut the hardened blade bodies and tensioning machines ensure the blades stay true and flat under load.Great for underpowered saws that need full kerf stability.Laser-cut blade bodies, anti-vibration and expansion slots keep the blade running straight and true.Perma-SHIELD permanent non-stick coating prevents heat build-up, gumming and corrosion for long life. Application: Long Life In Stacked Chipboard And Manmade Materials