Combination plunger and fixed-base router of 2.25 HP, 12 A and 8 000 to 25 000 RPM. Tool-free conversion. Quick clamp system allows tool to be moved from base to base with ease. Microfine bit depth adjustment systems. Fast, precise bit depth adjustment. Soft start reduces start-up torque. Constant response circuitry. Monitors and maintains desired RPM for consistent performance. Fixed base has threaded holes for mounting to router table positioned in common 3-hole pattern. Exclusive precision centering design centers bit precisely. Included: 1617EVS motor, plunge base RA1166, fixed base RA1160, 1/2'' (1.25 cm) and 1/4 (0.6 cm) collets, templet guide adapter, 2 drop-forged wrenches, 2 chip shields, and a case.