Product Details: This isn't just another set of drill bits; it's a solution to the common challenges of precise hole drilling in diverse materials. The #4241 high-speed steel construction ensures superior durability and longevity, meaning fewer replacements and reduced downtime. The two-flute design creates perfectly round holes every time, eliminating the need for additional deburring steps and saving valuable time. The innovative tri-flat shank guarantees a secure grip in your drill chuck, preventing slippage and ensuring consistent, accurate drilling. The 9200 set includes a variety of bit sizes with 1/4" and 3/8" shanks, covering a wide range of applications from chassis repairs to bodywork and beyond. Spend less time on repairs and more time keeping your fleet moving with this time-saving, high-performance tool. Stop settling for less. Upgrade your maintenance arsenal with the ATD Tools 9200 today. Invest in quality, efficiency, and the long-term success of your fleet operations. This step drill bit set offers exceptional value, providing a comprehensive solution for your diverse drilling needs. Its robust design and versatility make it an essential addition to any professional workshop. Order now and experience the difference that precision and durability can make.