Designed for efficiency and precision, these high-speed cut-off wheels are an essential tool for any metalworking project. With a compact diameter of 4 inches and a thickness of just 1/8 inch, they are perfect for use with die grinders, allowing for quick and effective cutting of ferrous metals such as iron and steel. Manufactured by United Abrasives in Italy, these wheels can withstand a maximum RPM of 15,278, ensuring durability and performance during demanding tasks. This 25-pack offers great value, making it an ideal choice for both professionals and DIY enthusiasts looking to enhance their grinding and cutting capabilities.