mini air grinders from Northern Tool
Collet, 3 CFM, 20,000 RPM", "longDescription": "This Ironton 1/4in. 90° air mini die grinder features a 90° angled head that provides easy access into tight spaces. Features sealed ball bearing construction, 20,000 RPM with variable speed control, a sturdy aluminum housing, rear exhaust and more. Ideal for polishing and light metal removal."