... .Wt:12g 18g 20g4.soft for hand metal cleaning ball:1. Material: 1)stainless steel wire(304,304L,316, 316L,430,201)2 ... ) galvanized wire (electric plating, hot-dipped galvanized wire)3) brass wire ... ) poly bag2) Blister packing3) net packing4) drop card packing etc.3. Features: rust resistance, high instre, good flexibility and so on4 ...