Feature:* Scroll blade adopts carbon steel material, high strength, high hardness, not easy to break.* There are 4 kinds of different kinds of saw blades in the package: 10 teeth, 14 teeth, 18 teeth, 24 teeth, each kind of 5 pieces, total 20 pieces, can meet your different requirements.* Our saw blades have a sharp tooth to support the load and increase the cutting speed.* The saw blades can be used to cut wood, made of plastic, foam, etc. The 24 teeth of the saw can be seen soft metal with low hardness. You can choose the right saw blade according to the actual situation.* Good workmanship, sharp teeth, clean and even. Different shapes can be cut very efficiently. Specification:Product Name: Saw BladesMaterial: Carbon Steel Color: BlackSize: Total 133mm (Approx.) Width: 3mm Thickness: 0.2mm Suitable for: Wood, Soft Metal, Plastic Type: 10T,15T,18T,24T (five pieces each)Quantity: 20 Pieces Package Contents:20 x Saw Blades Note:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.