The drawings below define a standard that works well enough for most types of track that you may encounter. On 32mm gauge that is mostly Peco or Tenmille (which covers approximately 90% of the 32mm tracks) and on 45mm gauge stock with this profile has been used on handmade track with code 250 rail, commercial code 250 track, commercial code 332 track and points from Aristocraft and LGB.
