How far do I set the distance of the cap iron from the cutting edge on my smoothing plane? Support February 02, 2021 19:38 Updated Follow To set the cap iron, please use the following guidelines: 0.5mm for fine finishing or hardwood Up to 2mm for general purpose work Related articles How do I use the 12-151 Stanley SpokeShave? How to set the STANLEY plane - original instructions I have a Number 1 Smooth Plane. Can you give me more information on this old tool? What is the hardness rating of the iron in the No. 62 Sweetheart Plane (12-137)? My iron (blade) is not parallel with the mouth on my hand plane, how do I adjust it? Comments 0 comments Please sign in to leave a comment.