1、The processing surface is of high quality. Compared with the use of a grinding wheel or other deburring tools, this tool uses an of sharpness cutting edge for cutting, the processing surface has a high smoothness 2、Wide range and strong applicability, can scrape stainless steel, aluminum alloy, rubber, plastic 3、Easy to use and cost-saving, the tool is compact and can be carried around 4、The handle can be loaded with blade for easy carrying, press the black plastic and turn the back cover to open 5、The trimming blade mainly solves the burr phenomenon of right-angle burr, groove burr, outer circle, inner hole, cross hole, counter hole, etc. that are inevitable in the production process Item Type: Burr Trimming Scrapers Product Function: The trimming blade mainly solves the burr phenomenon of right-angle burr, groove burr, outer circle, inner hole, cross hole, counter hole, etc. that are inevitable in the production process Cutter Head Material: M2 HSS Hardness of Cutter Head: 63RC Suitable for Working Occasion: Scraping PVC plastic, iron, aluminum Replaceable cutter headHow to Install a Blade: 1. Press the black key 2. Put the blade in Take Out the Blade: Press the black key to take out the bladeMargin Length: Approx. 11mm / 0.4in Diameter: Approx. 22mm / 0.9in Size: Approx. 125mm / 4.9in 18mm / 0.7in 3.2mm / 0.1in 4 x Burr Trimming Scrapers