About This Material : Reciprocating cutting blade are made of high BI-METAL material with carbide teeth. It has excellent hardness and toughness. Provide up to 50x longer life than bi-metal blades and more robust, durable Sharpness : Saw blades metal adopts scientific angle tooth shape design to reduce cutting friction and heat, which can ensure the sharpness of the pruning saw blades and smoother cuts Cutting Performance : Carbide blades with a unique tooth shape design help to position the pruning place for stable cutting. The saw teeth are sharp, providing optimal cutting speeds and precision for a variety of tasks Universal Handle : Our metal blades suitable for all major reciprocating saw brands in the market. Our metal reciprocating saw blades has excellent pruning ability and very labor-saving Wide Application : 3Pcs 8TPI 9"(228mm) metal cutting blades ideal for cutting all kinds of metal in tough applications, e.g. high-alloy construction steels, stainless steels, rebar and car beams. Overview Material : Carbide Brand : USEWIN Product Dimensions : 9"L x 2.17"W Color : Black Style : Heavy-Duty for Thick Metal Item Thickness : 12 Millimeters Item Weight : 7.04 ounces