Parts List: 12 x 10 TPI Saw Blades 12 x 15 TPI Saw Blades 12 x 18 TPI Saw Blades 12 x 24 TPI Saw Blades Key Features: Superior Performance: Coping saw blades are made of SK5 carbon steel, anti-rust, high hardness, not easy to break, sharp, strong and durable. They can provide precise and clean cuts. Multiple Uses: Various tooth designs for fast or fine cutting, and different sizes of jigsaw blades have different purpose. You can choose the right saw blade according to the material you are cutting or the purpose of your work. Adequate Quantity: The package includes 48pcs scroll saw blade with different TPI and purpose. Sufficient quantity to meet your daily needs and different cutting demands. Specifications: Product Name: Scroll Saw Blades Material: SK5 Carbon Steel Color: Black Size: 5 inches Quantity: 12pcs 10 TPI, 12pcs 15 TPI, 12pcs 18 TPI, 12pcs 24 TPI (48pcs in total) Note: 1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2. Please allow slight dimension difference due to manual measurement.