POWERTEC 128341 3-1/4-Inch HSS Planer Blades for Makita D17217 N1900B, Set of 2 Replacement blades for Makita D17217 and 731001-4; Fits on Makita 3-1/4-Inch planer N1900B Made of High Speed Steel for longer cutting life Specially designed for fast and smooth planing A set of two Plastic case packaging