Durable: Deburring blades is made of high-speed steel. Sharp cutting edge for cross holes, deep holes, straight edges and curved edges. Covenient: This deburring tool is lightweight and compact to fit in pocket anywhere. You can store spare blades by opening the black tail cover. Very easy to install and use and takes only seconds to get smooth edges. Comes with extra 10 blades. You can replace the blade by simply pressing the button. Efficient: With 360 degree rotated mounting head, it can deal with all the angles, especially the hard-reach corner. It is an ideal product for even long time using. Wide Use: Work great on steel, aluminum, plastic,wood,fiberboard and etc. It suits for both home use DIY projects and professional industrial applications such as plumbing work and 3d printing job.