What is the replacement iron used in the 12-220 block plane? Support January 26, 2021 21:08 Updated Follow The part number for the replacement iron is 12-508. You can view and purchase this part by clicking HERE . Related articles Do STANLEY Tools have a lifetime warranty? Instruction Manual for the No. 9-1/2 and No. 60-1/2 Sweetheart Block Planes What is the difference between the 12-960 and 12-920 planes? What is the warranty on the STANLEY branded Mechanics Tools? How to adjust and use The STANLEY Block Plane? Comments 0 comments Please sign in to leave a comment.