Steel City Tool Works 40625 6-Inch Deluxe Jointer with Cast Iron Table and Quick Change Knives Quick Change Knife System: With the new quick change knife system, changing knives is a snap. Spend more time woodworking and less time changing knives. Motor: 1-1/2 HP TEFC 115/230V,60 Hertz Number of Knives: 3 Speed: 5,000 RPM, 15,000 CPM Length of Infeed: 36-Inch Length of Outfeed: 30-Inch Warranty: 5 Years