Retail 5pcs 1/4 Inch (About 0.6 Cm) Chuck Diameter, Double Cut Carbide Rotary Cutter Set Carving Tool[Advanced Designed] Whether your work requires precision for metalworking, engineering, toolmaking, welding, deburring, or you like various DIY arts and crafts or hobbies such as carving, Chentuopo Carbide Burr Kits are exactly that, what you need for the best results! [Advanced Material] made of heat-treated tungsten carbide, whose hardness can reach HRC70, sharp and durable. 10 times higher than the durability of a high-speed steel milling cutter, 200 times more than small wheels durability. Comprehensive processing costs can be reduced by about 10 times. [A set of must-have tools] this 5-piece wood cutter set includes everything you need to cut, shape, grind, polish and remove sharp edges, it is compatible with ferrous and non-ferrous metals, wood, plastic and even stone. [Professional Results] Unlike similar products on the market, these carving burrs provide faster cutting times, suitable for cleaning, trimming, veining and welding castings, tool handling, forging and finishing all kinds of metal and non-metal-metal mold[Easy Storage Kit] order this hobbing grinder burr bit set and you will get great storage for easy transportation and safe storage! No more confusion or loss of bits, keep them accessible and within direct reach every time you need them! Material: CarbideColor: SilverPackage Content:5*Metal Grinding & Polishing Drill BitOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.