... .Quality:ISO9001/TS16949 2.Precision:0.01 3.Material:Aluminum,zinc,brass... 4.Surface:custom aluminum die casting moulding injection mouldGeneral ... alloy, A360, A380, ADC 10, ADC 12, ZL102, ZL104, iron, brass, copper zinc etc3.Tolerance: 0.02mm4. Advantage: High quality, low prices ...