VEVOR Air Angle Die Grinder, 1/4" Right Angle Die Grinder (20000RPM), Heavy Duty 90-Degree Angled Air Powered, 24PCS Discs for Grinding, Polishing, Deburring, Rust RemovalProduct Features Powerful plus Robust VEVOR's air die grinder has a ball bearing construction, provides a robust 20,000 RPM operation at 90 PSI and 3. 5 CFM air consumption, pair it with a 1. 5HP air compressor for precise, high powered grinding tasks every time. Versatile & Ready for Anything Whether it's automotive, metalwork, or furniture crafting, this air grinder kit has you covered. Included are 24 top quality sanding discs from wool discs for