fixed limit

noun2

1. •
   A predetermined limit that cannot be exceeded, as opposed to an amount that depends on circumstances.

   • Subparagraph 2.1.7.2 of the B141 therefore may release the architect from responsibility for making an erroneous estimate, unless the parties agree in writing to a fixed limit on construction costs. — 2000
2. •
   A form of poker game where bets and raises can only be a single size as specified by the rules.