Bosch 12 Amp 2-1/4 HP Variable-Speed 1617EVS with 1/4-Inch and 1/2-Inch Collets POWER: Amongst the most powerful routers for woodworking at 12-amps, 2.25-horsepower, and 8000-25000 RPM VERSATILE: The hand routers variable speed dial allows you to set the optimal speed for the routing task and material.Base Diameter :6 inches Fixed/ 6-11/16 inchesPlunge. Rounded hardwood handles maximize user control CONSISTENCY: The wood routers advanced speed-control technology monitors and maintains desired RPM for consistent performance DURABILITY: Built to last with rugged aluminum base and housing. This Bosch router is backed by a one-year limited warranty, 30-day money-back guarantee, and one-year service protection plan. Case type: hard plastic, fixed-base depth range: 1-5/8 inches, height: 11.625 inches CONVENIENT: Includes Bosch 1617EVS 2-1/4 HP Variable-Speed Router, RA1161 fixed base, 1/4-inch and 1/2-inch self-releasing collets, drop-forged wrenches, chip shield, above-table height-adjustment wrench, and mounting hardware