... SS 304 stainless steel dia:3mm-25mm Grade:G10.G20.G50.G100.G200.G500.G1000 packing:according to customer's demand ... 25mmGrade:G28-G1000 Packing:according to customer's requirementstainless steel ball is used in many special industry as iatrical instrument, ... chemical industry, avigation, scent bottle, sprayer, valve, nail polish,mobile phone fittings and ...