ITEM NAME:20 x HSS Carbide Burr Set Rotary Drill Bits Die Grinder Carving Engraving Tools Descriptio n Description: 1.Micro-drilling or cutting portion provided in various forms. 2.Length of the material efficiently handle around 39mm. 3.20PCS set of Grinding Routing Bits Including Mandrel. 4.All with fitted 3mm diameter mandrels will fit most rotary tools. 5.These 20pcs HSS Routing Bits are perfect for all sorts off jobs like Model making and the like. 6.Great for craft, airfix modelling, home, repairs etc you name it. Specifications: Name: 20pcs HSS Routing Wood Rotary Milling Cutter Tool Set Material: HSS Shank: 3mm Package Included: 20 * Rotary Drill Bits Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 20 x HSS Car.These 20pcs HSS Routing Bits are perfect for all sorts off jobs like Model making and the like. Material: HSS. 3.20PCS set of Grinding Routing Bits Including Mandrel. We'd like to settle any problem in a friendly manner.