3-1/4-Inch HSS Planer Blades best 128341 and Makita D17217 to fit Makita N1900B, Set of 2 3-1/4" Replacement blade for Makita 1900 Hand held Planer and replaces POWERTEC 128341 and Makita D17217 Blades 3-1/4" x 1.14" x 0.12" Planer blades pack of 2 blades Xcalibur knives are made from Higher Grade of HSS for longer edge life compared to Regular Blades Specially designed with close tolerance for fast and smooth planing 82 mm planer blade for Makita 1902 Planer, N1900B Planer, N1923B Power Planer, KP0810 Planer and most handheld Power planers