Designed for precision and versatility, this aluminum oxide flap wheel is an essential tool for anyone working with metal and wood. With a diameter of 1-1/2 inches and a thickness of 1 inch, it is engineered to fit a 1/4-inch spindle and can operate at a maximum speed of 25,000 RPM, making it ideal for die grinders. The 120 grit provides an excellent balance of aggressiveness and finish quality, allowing for effective material removal on both ferrous and non-ferrous metals, as well as wood, plastic, and fiberglass. Manufactured in Italy, this product comes in a convenient 10-pack, ensuring you have plenty of wheels on hand for all your finishing needs.