... Co., Ltd in china mainland.Size: S70,S110,S170,S230,S280,S330,S390,S460,S550,S660,S780Diameter: 0.2mm,0.3mm ... Co., Ltd in china mainland.Size: S70,S110,S170,S230,S280,S330,S390,S460,S550,S660,S780Diameter: 0.2mm,0.3mm ... (±40HV)Minumum Density 7.2g/cm3, Cast Steel Shot (VENO-S280)