Leadigol 10Pcs Flutes Square Nose End Mill Set Power Milling Machine Carbide Product Details Material: solid carbide Cutting Edge Diameter (CED): 1/8" (3.175mm) approximately. The diameter of the cutting edge of the tool is 1/8 inch or approximately 3.175mm. Shank Diameter: 3.175mm (1/8"). The diameter of the shank, which is the part of the tool that fits into the machine, is 3.175mm or 1/8 inch. These tools are suitable for applications such as advertising engraving and computerized cutting with a CNC machine. They are made of hard alloy material and have a silver appearance. The tool size and length are designed to meet specific cutting requirements. Total Length: 38.5mm approximately. The overall length of the tool, including the cutting portion and the shank, is approximately 38.5mm. Packaging includes: 1 set (10 pieces) of 1/8" hard alloy CNC milling cutter with a single flute. The package contains 10 pieces of the milling cutter with a single flute, made of hard alloy material. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.