Tonsiki 20pcs Tungsten Carbide Rotary Burr Set with 1/8 Shank for DIY Woodworking, Carving, Engraving, Drilling

Features: Material: HSS. Color:as the picture. Shank: 3mm. For the rotary tool set burrs higher quality 20 installed. Quantity:20pcs. Uses: 1.Micro-drilling or cutting portion provided in various forms. 2.Length of the material efficiently handle around 39mm. 3.20PC set of Grinding Routing Bits Including Mandrel. 4.All with fitted 3mm diameter mandrels will fit most rotary tools including Dremel. 5.These 20 HSS Routing Bits are perfect for all sorts off jobs like Model making and the like. 6.Purpose: stone carving, jade carving, grinding, polishin Package Included: 20pcs/set x HSS Routing Wood Rotary File Notice 1.Please allow 1-3cm error due to manual measurement. 2.The color may have different as the difference display,pls understand. Caution: When you use this drill bits, the material temperature will get very high, please add some water or coolant to avoid the material get smoke when using it.