Good quality blades: The blades are hardened and sharpened high-speed steel. The blades move easily, so they are powerful and wear-resistant. The blades move easily. The life of these blades is 80% longer than ordinary blades. "Metal Hand Deburrer: Small deburring tool, convenient to work with. The deburrer fits well in the hand and requires little force to operate. 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, which is very comfortable to carry. Multi-functional manual deburring tool: Designed for use in DIY projects for professional industrial applications. Works on metal, 3D printers, plastic, PVC and many other surfaces. "Contents: 1 manual deburrer + 10 spare blades - Blade dimensions: 47 mm x 3.2 mm (total length x diameter) - Handle dimensions: 125mm x 22mm (L x Diameter). The blade is mounted on the handle. "