The Diablo Steel Demon blade for demolition features Liquid Metal Technology, which through a sintering process liquefies and forms the edge under high temperatures for unmatched durability. Oversized demolition blade body give straighter cuts with less vibration. Perma-Shield non-stick coating allows for less heat, gumming and corrosion, making this blade out perform standard blades 4X. TPI Teeth per Inch 8/10, Blade Type Demolition, Blades qty. 1, Blade Material Bi-metal, Blade Application Metal cutting, Blade Size in. 9. 9in., 8/10 TPI Ideal cutting thickness is 1/8in. to 1/2in.