The Vevor air die grinder kit includes a 20,000 RPM right angle grinder and a 25,000 RPM straight grinder for grinding, deburring, cutting, and polishing tasks. It features durable ball bearing construction, precision-machined steel gears, and an aluminum housing for long-lasting use. A 10-piece single-cut carbide burr set is included for working on hardened materials such as stainless steel, ferrous metals, and iron. The lightweight 2 lb design, ergonomic grip, and right-angle head help improve control and access in tight spaces. This combo kit is built for detailed, high-powered air tool applications.