Hollow Stainless steel beads 1.Stainless steel ball 2.Stainless ball for chain 3.Steel ball for body jewelry Hollow Stainless steel beads: 304 Stainless Steel BallsApplied Area 304 stainless steel ball can be used in iatrical instrument,chemical industry, avigation. Plastic hardware: scent bottle, sprayer, valve, nail polish, switch, washing machine, fridge, air condition, medicinal materials, ...