Amoolo Hex Shank Drill Bit Set, 16Pcs Titanium Hss Twist Impact, 1/16?-3/8? Product Features Wide Applications - compatible with power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks, allowing for quick changing between multiple drill bits and screwdriver bits with just one power tool; Upgraded Structure - press in pin connection makes the bit and hex shank an integrated structure to prevent break off during drilling, greatly reduced the risk of drill bit snapped off from the hex drive; Eliminates Wobbling Chatter - the final straighten process is added. which keep the bit in a straight line during rotation and reduce chatter; Designed Bladepoint - these bits with a 135 split point keep centered without a pilot hole, full-ground body drill faster with fewer defects. excellent chip removal and heat removal; What you Get - combo set of 16 pcs, 12 most commonly-used sizes (1/16",5/64",3/32",7/64",1/8",9/64",5/32",3/16",7/32",1/4",5/16",3/8") to satisfy all needs, additional piece of 1/16", 5/64", 3/32" and 1/8"for easy replacement. total 16 Pcs hex shank twist drill bit set come with a portable plastic case for easy select, storage and carry. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!