Campbell Hausfeld 1/4" Die Grinder (TL052001AV) Operates at a fast 25,000 rpm, for smooth, clean grinding results across many materials The TL052001AV requires 6.2 SCFM of air @ 90 PSI Ideal for smoothing sharp edges, deburring, polishing, porting and grinding a wide variety of materials including metal, plastic and wood Finish your projects faster and easier with Campbell Hausfeld - The Air Power Expert