Engineered for precision and performance, these aluminum depressed center wheels from Pearl Abrasive are ideal for grinding soft non-ferrous metals such as copper, brass, and bronze. With a grit step of 24 and a robust thickness of 1/4 inch, they are designed to withstand high-speed operations, boasting a maximum RPM of 13,300. Each wheel features a T-27 shape and is packaged in a convenient box of 10, ensuring you have the right tools at your disposal for any project. Crafted from aluminum oxide, these wheels provide a reliable and efficient solution for your grinding needs, making them an essential addition to any toolset.