Precision weights M1 Adjusting, testing and calibrating instrument for commercial scales Adjustment, test and calibration instrument for commercial scales (Class III) and for quality assurance for scales with a number of steps < 30.000.Weights for use in the calibration and verification of weights of classes M2 and M3.All 3 classes depending on accuracy requirements as load authorities for tension, compression and torsion determinations. Catalog - overview Milligramm weights Knob weights Hook weights Block weights Basket weights Heavy weights stackable / rectangular Rolling weights Carrier and slotted weights