IIT 10020 12" Air Blow Gun, Cuts wood accurately and cleanly Laser cut heat Expansion for true and straight cuts Perma-shield coating to shield against heat, gumming and corrosion Micrograin titanium carbide teeth for strength, durability and accurate cuts Cuts wood accurately and cleanly Perma-shield coating to shield against heat, gumming and corrosion Laser cut heat expansion for true and straight cuts