Professional Tools: There Are 20 Kinds Of Rotary Cutters In Various Shapes And Sizes, Which Are Very Suitable For Model Making Or Engraving. You Can Choose Different Types Of Cutting Heads According To Your Working Needs, They Will Meet Your Different Process Requirements. Multifunctional Tools: The Diamond Drill Has 10 Different Grinding Heads, Which Are Very Suitable For Engraving, Cutting , Polishing, Chamfering, Grooving, Reaming, Drilling, Etc. Compatibility: 3Mm (1/8") Rotary Tool Post Fits Most Rotary Tools Or Electric Grinders, Such As Dremel, Goxawee, Proxxon, Einhell And Similar Machines. Materials: The Milling Head Is Made Of High Speed Steel, With Long Life, Hardness High, Wear Resistance And Good Heat Resistance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia