🔧 Elevate Your DIY Game with Precision and Style! Constructed from high-quality M2 HSS for longevity and efficiency. Includes 5 essential sizes (1/4", 3/8", 1/2", 5/8", 3/4") for all your projects. Comes with a sturdy aluminum case for easy transport and storage. Crafted with a precision-ground 82-degree tip for flawless countersinking. Perfectly fits common handheld power drills for seamless use. Aluminum Case Included 1/4" Tri-Flat Shank M2 High Speed Steel The NEIKO 10218A Countersink Drill Bit Set is a 5-piece collection designed for both wood and metal applications. Featuring a 1/4” tri-flat shank and precision-machined tips, these M2 high-speed steel bits ensure durability and efficiency. The set includes an aluminum case for organized storage and portability, making it ideal for professionals and DIY enthusiasts alike.