Premium Material: Scroll saw blades are made of high quality carbon steel, which has high toughness, hardness and good flexibility, not easy to be broken. Good workmanship: fine-cut saw blades are finely processed and it improves the and cutting speed. And with good flexibility, you can cut different shapes at different angles. Wide range of applications: The blades can be used to cut wood, plastic, foam, etc. Colour: black Material: carbon steel Package Contents: 36 * 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.