Upgrade your drilling game with this high-quality Unibit from IRWIN TOOLS. This step drill bit is a must-have for any DIY enthusiast or professional, offering precision and efficiency in drilling through various materials. With a package quantity of 1, this Unibit is all you need to get the job done. Perfect for both Power Tool & Air Tool Accessories, this Type of STEP DRILL BITS is a versatile addition to your toolkit. Its large size, coupled with the superior quality of IRWIN TOOLS, ensures optimal performance and durability. Don't miss out on this valuable item that promises to make your drilling experience seamless and effortless.