Item Details: brand new and high quality Made of high quality material durable and practical to use Shank Diameter: 4MM(Approx.) Type: Flat Top Material: Solid Tungsten Carbide Coating: TiAIN Overall Length: 50MM(Approx.) Worked Material Hardness: HRC45 Flutes: 4 Flutes Flutes Length: 10mm(Approx.) Cutting Diameter: 4mm(Approx.) Quantity: 5Pcs Package Contents: 5* End Mill Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.