General description The US PRO AIR DIE GRINDER is a compact and efficient 1/4'' mini stubby angle cut-off tool designed for precision grinding and cutting tasks. With a free speed of 25,000 RPM, this tool is perfect for various DIY and professional applications. Technical specifications Free speed: 25,000 RPM Air inlet: 1/4'' Air hose: 3/8'' Air pressure: 90 psi Air consumption: 4 cfm Net weight: 0.31 kg Length: 125 mm approx Other information 1-year warranty