The Campbell Hausfeld air die grinder (TL052001AV) operates at a fast 25,000 rpm, making it perfect for quickly smoothing sharp edges, deburring, polishing, porting and grinding a wide variety of materials including metal, plastic and wood. This air die grinder requires 6.2 SCFM of air @ 90 PSI. Finish your projects faster and easier with Campbell Hausfeld - The Air Power Expert. Finish your automotive and woodworking projects faster and easier with the benefits of air power. Air tools provide more power than electric tools. Air tools are lighter and more compact compared to their electric counterpart. They are easier to maintain and operate with fewer moving parts. Air tools also operate at cooler temperatures. 25,000 rpms provides the speed for grinding, porting, smoothing, general polishing and deburring. Ideal for use on a variety of materials including wood, plastic, metal, ceramic and cast iron.