Wide Material Compatibility From steel and aluminum alloy to brass and plastic, this spiral flute reamer is designed to deliver smooth reaming in materials, including difficult metals such as cast iron. MULTIFUNCTIONAL TOOL - Whether aligning bolt holes or expanding undersized openings for rivets, this versatile reamer is for precise and accurate metalworking tasks. SUPERIOR MATERIAL CONSTRUCTION - Crafted with premium 6542 and M2 high-speed steel, this reamer offers unmatched durability and longevity, and easily accommodates a wide variety of metal materials. EFFICIENT 5 FLUTE DESIGN - With a 5 flute spiral groove, our mandrel reamer is designed for high efficiency, reducing exposure to chip jams and ensuring a cleaner, more consistent cut. COMPACT AND WIDE; EASY TO CARRY - Designed with portability in mind, this lightweight and compact reamer is a convenient tool for professionals on the go, easily fitting into any tool kit for quick access., Manufacturer: Bumdenuu