Features: Porter Cable 7519 Speedmatic 3 1/4 Peak HP Router 15 Amps, AC only 21,000 RPM with soft start 1/2" collet Auto-release collet system ends "frozen" bits Unique design pus bottom bearing closer to work for minimum bit run-out and vibration Precision machined aluminum motor housing & base 100% sealed ball bearings Specifications: Porter Cable 7519 Speedmatic 3 1/4 Peak HP Router Power -- 120 VAC, 60 HZ Shipping Weight -- 18 Lbs. Peak HP -- 3 1/4 Rated Input Current (Amps) -- 15 Motor Diameter -- 4.2" No-Load Speed (RPM) -- 21,000 with soft-start Collets: Standard -- 1/2" Available -- 1/4" & 3/8" Width -- 11" Base Dia. -- 7" The Porter-Cable 7519 Includes: Router motor #75192 base #75361 1/2" collet #42950 collet wrenches #42596 operating manual