DEWALT 4-1/2" Double Row Surface Grinding Wheels are designed to exceptional durability and efficiency for all your material removal needs. These grinding wheels feature a high concentration of diamonds, which ensures an extended lifespan and aggressive performance during use. The large grinding segments are built on heat-treated steel bodies, providing enhanced durability and longer wheel life. Thanks to the consistent diamond distribution, these wheels deliver reliable and high-quality results across a variety of surface grinding applications, making them an excellent choice for professionals seeking both performance and longevity. Model Number: DW4774