Good Quality Blades: The blades are made of hardened high-speed steel, sharp, the blades move smoothly, which makes them powerful and wear-resistant. The blades move smoothly. The life of these blades is 80% longer than normal blades. Manual Metal Deburrer: Handy little deburrer, comfortable to use. The deburrer lies well in the hand and requires little force to operate. It is light enough but just strong enough. It can be flexibly rotated 360 degrees and easy to deburr. Easy to use: The tie blade turns very easily and the change mechanism is convenient. Spare blades can be placed in the deburring tool itself, very convenient to carry. Multi-function manual degreaser: designed for use ranging from DIY projects to professional industrial applications. Works on metal, 3D printers, plastic, PVC and many other surfaces. Package included: 1 manual deburrer + 10 spare blades, blade size: 47 mm x 3.2mm (total length * diameter); Burr Handle Size: 125mm*22mm (Length*Diameter) The blade is mounted on the handle.