Size: Total length 10cm Pitch: 3.38mm Number of blades: Set of 3 (2 blades + 5 blades + 10 blades) This is a tool for making stitching holes in leather. From beginners to advanced users, you can easily make beautiful holes using this product. European pricking irons have a blade tip that is a line, not a point like diamond chisels, so the angle of the thread will be sharp and slanted. *To prevent rust, oil is applied. Please wipe off the oil before use.