Rockwell RC4700 Rockwell Shop Series 4-1/2" 6-Amp Angle Grinder with slim body for a secure grip metal gear case tool-less safety guard adjusts instantly two position auxiliary handle slide on/off switch spindle lock for easy disc replacement soft grip handle. Specs: 120V/60Hz no load speed 11000 RPM 4-1/2" disc disc bore 7/8" spindle thread 5/8" weight 4.2 pounds 10 foot cord. Includes (1) auxiliary handle (1) spanner wrench.