The new CPT7500 Angle Grinder is an addition to our "SMART" series of tools. This compact, lightweight grinder is great for working in confined areas on jobs that require fast metal removal. Ideal for body shop, automobile and truck repair. Collet/spindle size: 3/8" - 24; free speed: 20,000 RPM; average air consumption: 4 cfm; air inlet thread: 1/4" NPTF; minimum hose size: 3/8"; sound dBA: 80; length: 5.5"; weight: 1.2 lbs.