115Pcs Cobalt Drill Bit Set (1/16''-1/2''), M35 High-Speed Steel, Twist Jobber Product Details 115 Pieces Set Includes: 29pcs Fractional Size: 1/16 to 1/2 inch bits in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60; Set includes the drill bit holder with size index for easy storage and organizing M35 Cobalt Drill Bit: The M35 cobalt drill bit is a durable, sharp, and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum, and other soft metals as well as plastics, wood, etc Quick and Efficient: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135-degree point tip and twist design for faster cutting, self-centering to prevent walk-off, and faster chip and particle removal HSS Drill Bit Set: HSS cobalt drill bit set for hardened steel with excellent cutting performance. 115 sets of drill bits for long-term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling Provide long-term after-sales service: If you are not satisfied with our product for any reason, we offer a 100% refund or replacement 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.