Carbide Burr Set Compatible With Dremel Rotary Tool 10Pcs Die Grinder Bits Product Details ??Widely Use?: Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing high-precision mold cavities. Processing all kinds of metal(including steel, aluminum, etc.) and non-metal (such as marble, jade, bone), and the machining hardness can reach to HRC70. ??Premium Material?: This carbide burr set/rotary bit set is made of premium tungsten Carbide steel which has long working life, it has extremely high hardness and good toughness, machining hardness reach to HRC70. The carbide burr set cut through extraneous material like a hot knife through butter. ??Double-Cut Design, Efficient Work?: Double grooves grinding head adopts the cross-line design, which has the characteristics of fast chip removal. And faster cutting time and better polishing effect, significantly improve work efficiency, the processing efficiency is tens of times higher than the manual file tool, and nearly ten times higher than the small grinding wheel with the handle. The differing profiles let wood carvers or metal engravers trim any shape with ease. ??Adaptability?: Universal size 1/8'' shank diameter fits dremel and most small rotary tools with three jaw chuck for accurate centering. An ideal choice for your DIY woodworking, carving, engraving, and polishing. Shank diameter: 3 mm(1/8 inch), Cutting edge diameter: 6 mm(1/4 inch). ??Satisfaction Service?: Carbide rotary burr set are gift for your artist friends and they were exactly what he wanted. If have any issues with this products, please feel free to contact us and we will give you a satisfactory answer. 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.