Good Quality Blades: Blades are hardened, sharpened high speed steel. The blades move easily, are therefore powerful and resistant to wear. The blades move easily. The life of these blades is 80% longer than normal blades. "Metal Hand Deburrer: Small deburring tool, convenient to work. The deburrer lies well in the hand and requires little force during use. It is quite light but strong enough. It can be rotated 360 degrees flexibly and easily for deburring. " Easy to Use: The blade can be turned very easily and the change mechanism is convenient. Spare blades can be inserted into the deburring tool itself, very comfortable to wear. Many-Function Manual Deburring Tool: Designed for use in DIY projects to professional industrial applications. Works on metal, 3D printer, plastic, PVC and many other surfaces. "Contents: 1 hand deburrer + 10 spare blades - Blade size: 47mm x 3.2mm (overall length x diameter) - Handle Dimensions: 125mm x 22mm (length x diameter). The blade is mounted on the handle. " Note: The data are all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain difference in color, according to the physical object received. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the light and display difference, there are will have some color difference, depending on the physical object received.