Crafted by United Abrasives, these aluminum oxide laminated discs are designed for versatile use on both ferrous and non-ferrous metals, as well as wood, plastic, and fiberglass. Each disc measures 1-1/2 inches in diameter and features a coarse 36 grit, making them ideal for grinding and blending tasks. With a convenient pack of 100, these lightweight discs are perfect for use with portable grinders, ensuring you have the right tools on hand for any project. Manufactured in Italy, they combine quality and efficiency, making them a reliable choice for professionals and DIY enthusiasts alike.