4 pcs. 5.9-Inch Long Tungsten Steel Fixed Carbide Shank End Mills With 6mm Shank Fits Rotary Tool For Q81 Wood DrillCOOTDTY Features: Great for fine details, cutting, engraving, carving, touching and finishing. It is suitable for deburring and polishing cast iron, cast steel, carbon steel, alloy steel, stainless steel and other materials. Tungsten carbide, shank diameter: 6mm(0.235 inch), cutting edge diameter: 8mm, total length: 150- 160mm(6 inch). Double Cut Head End Mills Cutters Set Use with a manual electric drive or pneumatic tool. Processing all kinds of metal (including all kinds of hardened steel) and non-metal (such as marble, jade, bone), and the processing hardness can reach HRC70. Specification: Material: Tungsten Steel Length: About 150-160mm/6in Handle Diameter: About 6mm/0.23in Package Includes: 4x Carbide End Cutter KitNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.