Voltage: 120V ACAmperage: 12.0ARated Power: 2.25 HPCollet Size: 1/4", 3/8", 1/2" And 8mmNo Load RPM: 8,000 - 25,000Base Diameter: 6"Base Opening: 3-3/4"Fixed-Base Router With Powerful Motor And Variable-Speed Dial For All Routing NeedsFixed Base Has Threaded Holes For Mounting To Router Table Positioned In Common 3-Hole PatternMicrofine Bit-Depth Adjustment For The Most Accurate Of CutsRounded Smooth Hardwood Handles Maximize User ControlRight Or Left Switch Location For User Preference And ConsistencyConstant Response Circuitry Provides Soft Start And Maintains Constant Speed Under Load And Provides Overload ProtectionExclusive Precision Centering Design Centers Bit Precisely EverytimeIncludes Tool, 1/4" Collet, 1/2" Collet, Shaft Wrench, Collet Wrench, Chip Shield, Fixed Base, T-Handle Wrench And Table Mounting Screws