Reduced Shank Drill Bit Set: 8 Pieces Of High-Speed Steel, 1/2" Shrinking Shank Product Details High-Quality Material: Industrial grade high-speed steel construction for proven capability and resists corrosion, ensures outstanding durability, sharpness, and capability, reduces friction, and runs cooler. 135-degree Split Point: The 135 split point design at the tip increases cutting and drilling speed through self-centering and prevents drills from walking or wobbling. The split point tip can increase the wear resistance. General Purpose: The 1/2" reduced shank is compatible with all drill presses and most power tools in the market, and the Tri-flatted shank end locks onto a 3-jaw chuck tightly. It is ideal for drilling steel, copper, aluminum, and composite material. Set includes: 8 pieces of 6? reduced shank drill bits: 9/16?, 5/8?, 11/16?, 3/4?, 13/16?, 7/8?, 15/16?, 1?, storage in heavy-duty aluminum for easy carrying and organization. Professional After-Sales Service: The Aluminum outer box for stepped drill bit is sturdy and easier to carry and store. If you are not fully satisfied with our product for any reason, please contact us for 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.