Ray Iles RI021 2" (50mm) plane iron fits the Stanley, Record & Quangsheng No.4 & No.5s and equivalents
Approximate Measurements:
Overall blade Length: 190mm (7½")
Blade Width: 50mm (2")
Blade thickness: 3mm (⅛")
O1 carbon steel hardened to RC59-61.
Fits the following smoothing planes and jack planes:
Stanley No.4 (Bailey pattern or Bedrock pattern)
Record No.4
Quangsheng No.4
Stanley No.5 (Bailey pattern or Bedrock pattern)
Record No.5
Quangsheng No.5
equivalents
Planes that originally had thinner irons may need the mouth opening slightly with a file.