High Speed Steel HSS Planer Blades Parts 3 1/4 for 1900B Pack of 2 pieces of 82mm long, , planer blades to fit table top and hand held, portable planers. Size: 82mm (3-1/4 Inch) long Packaging: 1 set supplied on vacuum pack card Material: High Speed Steel Finish: Ground surfaces with 0,4 Ra finish Blades are suitable for below listed planers: Hitachi: F20,