Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002) Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk 5% Cobalt Alloy Steel For Higher Heat & Abrasion Resistance Heavy Duty Web Construction For Strength & Durability. Our goal is to provide high-quality products and excellent customer service. Feedback will be left automatically after we receive your feedback. We would try our best to help you solving any problem. (Orders are not processed on weekends & holidays). Leaving correct address can minimize delay. International buyers please note. Local pick-up is unavailable at the moment. We devote ourselves making EVERY CUSTOMER in 100% Satisfactory and resolve any problem. We highly value and appreciate your business. If you do not get a response from us, then please check your junk or spam mailbox. We are committed to resolve all issues in a friendly and satisfactory manner.