Multi-Size Drill Bits Hex Shank Countersink Drill Bit Set, 1/4? Hex Shank? Product Details ?Wide Application Range?These countersink drill bits are suitable for use with natural woods,chipboard,man-made boards,plywood,MDF,aluminum, non-ferrous metals and decking. ?Unique Design?The pilot drill and counterbore depths are adjustable using a frictionless depth stop and included wrench,the drill bits with spiral chip flute ensure fast cutting,while the sharp tungsten steel alloy cutting edges create smooth countersink and counterbore holes. ?Material?Countersink drill bit set made of high-quality material,durable and efficient. ?Variety of Options?M2 HSS pilot drill bits in sizes #10, #12, and #14 (equivalent to 1/8",9/64" and 5/32" drills). ?Cool Gifts?It is the best friend gift or for your loved person on holidays,valentines day gifts anniversary gifts for men,birthday gifts for dad,boyfriend,women. 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.