Premium Material: The scroll saw blades are made of high quality carbon steel, which has high toughness, hardness and good flexibility, not easy to break. Good Workmanship: Our fine cutting saw blades are finely processed and improve the sharpness and cutting speed. And with good flexibility, you can cut different shapes from different angles. Wide range of applications: Jigsaw blades can be used for cutting wood, plastic, foam, etc. Color: Black Material: Carbon steel Package Contents: 72 * Pinned Scroll Saw Blades (TPI 15/18/24 each 12 items) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.