The Ember 3 No. 40 scrub plane oval replacement blade is made of a2 tool steel that is hardened 60-62 Rockwell, cryogenic treated, and fully surface ground. This iron will fit Stanley 40 type scrub planes.
Blade Size – 1 ¼" wide – 5 7/8" long – 1/8" thick
Blade - Cryogenic treated A2 tool steel 60-62 Rockwell
