IDT1270 Features: * Wheel size: 3" * Free speed: 22,000 RPM * Air inlet thread: 1/4" NPT * Air hose I.D. size: 3/8" * Avg. air consumption: 4 cfm * 3"" Cut Off Tool * New out of box defects replace only Specifications: * Noise level: 89 dBA @ 90 PSI Dimensions: * Net weight: 1-1/2 lbs. * Overall length: 7-1/2"