Good Quality Blades: The blades are made of hardened, sharpened high-speed steel. The blades move easily, are therefore powerful and resistant to wear. The blades move easily. The lifespan of these blades is 80% longer than normal blades. "Metal Hand Deburrer: Small deburring tool, practical for working. The deburrer fits well in the hand and requires little force when using. It is light enough but strong enough. It can be rotated 360 degrees flexibly and easy for deburring." Easy to Use: The blade can be turned very easily and the changing mechanism is practical. The replacement blades can be inserted into the deburring tool itself, very comfortable to carry. Manual Deburring Tool with Many Functions: Designed for use in DIY projects up to 'for professional industrial applications. Works on metal, 3D printer, plastic, PVC and many other surfaces. "Contents: 1 hand deburrer + 10 replacement blades - Blade size: 47 mm x 3.2 mm (total length x diameter) - Handle dimensions: 125 mm x 22 mm (length x diameter). The blade is mounted on the handle. "