Size classifications.

§ 51.3198 Size classifications. Size shall be specified in connection with the grade in terms of minimum diameter, range in diameter, minimum diameter with a percentage of a certain size or larger, or in accordance with one of the size classifications listed below: Provided, that unless otherwise specified, onions shall not be less than 1 1/2 inches in diameter, with 60 percent or more 2 inches or larger in diameter. Size designation Minimum diameter Inches Millimeters Maximum diameter Inches Millimeters Small 1 25.4 2 1/4 57.2 Repacker/Prepacker  1 1 3/4 44.5 3 76.2 Medium 2 50.8 3 1/4 82.6 Large or Jumbo 3 76.2 ( 2 ) Colossal 3 3/4 95.3 ( 2 ) 1  In addition to the sizes specified, a lot of onions designated as Repacker or Prepacker shall contain at least 60 percent or more 2 inches or larger in diameter. 2  No requirement. Tolerances