... 3. low price, high quality 4. material :brass,bronze and copper About brass ball Product namebrass ballMaterial brass,bronze and copperDiameter ... craftwork , switch and aerosol dispensers , instrumentation , pressure gauges , water meter , electrical accessories packagePallet , wooden cases or according to customers' requirementsStandard SGS ... ≤0.08≤0.005≤0.002≤0.01≤0.5Remainder copper ball