Elevate your metalworking efficiency with the HP Grinding Wheel from Walter Surface Technologies, designed for rapid and effective grinding on steel surfaces. This high-performance wheel features a quick and easy spin-on mounting system compatible with 4 1/2" to 6" diameter tools, ensuring seamless integration into your workflow. With its aggressive controlled bite, it not only delivers smooth grinding but also boasts an extra-long wheel life, making it a reliable choice for demanding applications. Packaged in sets of 20, this grinding wheel is an essential addition to your tool collection, perfect for both professional and DIY projects.