Set Of 21 Titanium Nitride Drill Bits From Dewalt (Dw1342). Product Details DEWALT's drill bits have a titanium nitride coating that provides longer life when drilling in non-ferrous metals. These bits are also suitable for drilling in wood and plastic and are ideal for commercial and residential applications. The speed tip design reduces walking on start, and the no spin keeps the bit secure in the drill. Includes 21 bits sized from 1/16 to 1/2-Inch in a plastic tough case. Speed Tip Reduces Walking Ideal for drilling in metal, wood, and plastics No spin shanks Includes tough case container to keep bits organized Titanium Nitride Coating for Longer Life Bit case may differ from what is shown 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.