Iron gear wheel
From Official Factorio Wiki
Iron gear wheels are intermediate products crafted from two Iron plates. They are very important for many basic and advanced recipes.
- One Fast inserter is not sufficient to feed an Assembling machine 1 producing gear wheels without a slight pause in production.
- Changed stack sizes of items to be 10 based, so it fits the inserter/requester count values.
- Stack size increased from 64 to 128