F1 class test weights are the common weights used for precison balances and scales. These weights have a high degree of accuracy, but more cost effective than the E1 and E2 classes. Mainly used in laboratories calibration houses and quality control areas.
323 F1 Boxed Sets of Test Weights
Complete sets of boxed F1 class of single weights. Contructed in nickel plated brass. Or we can custom supply to any combination you like
