The Norseman 45751 Type B78-AGN #2 Titanium Nitride Ultra Bit Step Drill is a high-quality metalworking drill bit manufactured by Norseman, known for its reliability and durability. The drill bit is coated with titanium nitride for increased strength and longevity, making it suitable for various drilling applications. The step design allows for drilling holes of different sizes without needing to switch between multiple drill bits, providing convenience and efficiency in metalworking tasks. Part#: 45751 Size: 2 Hole Sizes: 8 No. Range: 1/4" - 1" Shank Size: 3/8" Step Increments: 1/16" Step Thickness: 5/32" Please view all photos. Zoom in on photos for a close-up view. Thank you for your support! I work hard to provide the best customer service possible. If there are any issues with a purchase, PLEASE CONTACT ME directly through messaging. I will always do my absolute best to resolve any issue and be honest and fair in any situation. IF YOU BUY MULTIPLE ITEMS FROM ME - PLEASE utilize the cart feature pay for everything at one time! This saves you time helps me save on fees and keep my pricing low! FAST SHIPPING!!! THANK YOU SO MUCH FOR CHECKING OUT MY STORE, PLEASE COME BACK!?