규격이 · 규격을
standard, specification, size spec
Example
이 제품은 국제 규격에 맞게 만들어졌습니다.
This product was made to meet international standards.
Word parts
규 rule+격 pattern
Literally 'rule and pattern'.
Good to know
In Korea, 종량제 규격 봉투 are the official trash bags you must buy.