| Total length of rotary cutters: 100mm; Shank Diameter: 3mm/ 1/8 inch; Cutting edge diameter: 6mm Made of tungsten carbide, used for rotary cutters, good toughness, high microhardness, high abrasion resistance High performance on processing copper, aluminum, alloy, iron, marble, jade, steel, glass, wood, plaster, etc. Double cut burrs with 10 cutting shapes different cuts, with very fine chip size and high cutting efficiency, compatible with Dremel and most small rotary tools. Ideal rotary tool for metal polishing, model casting, welding, chamfering, deburring, wood carving, jade making, marble engraving, finishing, grinding, etc. | |