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 How to adjust and use The STANLEY Block Plane? Instruction Manual for the No. 9-1/2 and No. 60-1/2 Sweetheart Block Planes How do I grind a STANLEY plane iron/blade? Where can I buy replacement cutters for my Stanley plane? STANLEY 148 Tongue & Groove Match Plane Instruction Manual Comments 0 comments Please sign in to leave a comment.