Pneumatic Trading Corporation provides Air Angle Grinder is a great metal working tool for the do-it-yourselfer and professional alike! Air Angle Grinder is a lightweight powerful tool for tough hard-to-reach industrial applications in foundries, ship yards, metal fabrication shops, power stations, and general plant maintenance. Threaded spindle allows for use with rubber back-up pads and abrasive fiber discs for high speed weld dressing.