Absolutely. Positively. Precise. Troemner is a leading supplier of mass standards, high precision calibration weights, scale weights, and test weights. Our calibration weights are ISO/IEC 17025 accredited, and available in ASTM, OIML, and NIST weight classes with uncertainties among the lowest in the industry. Troemner also manufactures LabJaws laboratory clamps, one of the most trusted brands in labs across the world.