ROUTER'S 12-AMP MOTOR IS POWERFUL, AND IT INCLUDES ADJUSTABLE SPEED SETTINGS CONSTANT RESPONSE CIRCUITRY STABILIZES START-UP TORQUE ADJUSTABLE SPEED DIAL (8,000-25,000 RPM) ALLOWS USER TO SET THE OPTIMAL SPEED MICROFINE BIT-DEPTH ADJUSTMENT PLUNGE BASE ROUNDED HARDWOOD HANDLES MAXIMIZE USER CONTROL THREADED THREE-HOLE BASE PATTERN DUST-SEALED POWER SWITCH ONE-PIECE ARMATURE SHAFT 2 IN. SUB-BASE OPENING