kg/g CI Troemner grip handle

Metric cast iron weights. ASTM Class 6 specifications and tolerances are listed in NIST Handbook 105-1. These specifications and tolerances are intended to set forth minimum requirements used: 1. In the field by state and local weights and measures officials in the examination of weighing and measuring devices used in commerce. 2. By device installers and servicemen. 3. As reference standards in state weights and measures laboratories. 4. In industrial, educational and research laboratories. 5. Federal Grain Inspection Service approved laboratory.