Lead ball Lead ball, Applicable scope: used for scientific research on national defense, cool storage material, shielding protection, horological industry, glass industry and densimeter etc.GB1474-88 Material standard: GB1474-88Specification: 1-5.0mmPacking: Packed in iron drums, 50±0.5Kg/drumlead sinkerlead sinker for fishinglead sinkers for fishing net Lead ball