Steel clean ball Material : Copper Weight :5-250g MOQ: 1 M/ ... : USD 0.01~0.1 Clean ball 1 Material : Copper; stainless steel,plastic, sponge,Galvanized..2.Dia:0.13or0.17mm3.Wt:12g ... 20g4.soft for hand metal cleaning ball:1. Material: 1)stainless steel wire(304,304L,316, 316L,430,201)2) galvanized wire ...