The phrase "incredible precision" means doing something with extremely accurate and exact measurements or calculations. It suggests that the level of accuracy achieved is very impressive and outstanding. Full definition
It automatically makes virtually any hot or cold coffee drink with incredible precision and a perfect flavor profile. (geekwrapped.com)
We could create new objects with incredible precision, which means far less waste. (foresight.org)
When they built 461 Dean, the big modular prefab in Brooklyn, they had endless trouble getting the facade panels to fit together properly; it demanded incredible precision in placement of the units. (treehugger.com)