The Makita 741423-B-25 4-1/2" Grinding Wheels are general purpose metal grinding wheels with 24 grit for efficient cutting and grinding. This 25-piece pack ensures you have an abundance of grinding wheels on hand for various projects. With a size of 4-1/2" and a grit level of 24, these wheels are ideal for a wide range of automotive and metalworking tasks. The Makita brand guarantees quality and durability, making these grinding wheels a reliable choice for professionals and DIY enthusiasts alike.