Close tolerance Florida Citrus Sizer that's approved by the USDA for sizing oranges, grapefruits & tangerines. Box and inch markings are clearly etched on the side with locking jaws that prevent movement during measurement and a thumb curl bolt on the backside for easy lock down / release. Also measures 6 Inches in 1/16" increments or 15 centimeters in MM increments.
Measures box sizes in: