Rule 4. The standard of measure for determining size shall be any gauge or machine or other device which furnishes an opening between 2 parallel sides through which will pass cucumbers of 1 1/16 inches, regardless of length, for the no. 1 grade; of 1 1/2 inches, regardless of length, for the no. 2 grade; and of 2 inches, regardless of length, for the no. 3 grade.
Mich. Admin. Code R. 285.537.4