... competitive price 3.Prompt delivery 4.Different sizes Decorative solid brass ball, solid copper ball, copper coated ball1) Diameter ... sheeny. 6) Applications: be widely used for fuel injectors, sprayers, valves, transmission system, jewelly, bracelet, earrings, necklaces, electronics, switch, ... etc. 7) Nonstandard dimensions customized are acceptable. decorative solid brass ball 1.2mm 2mm 4mm 5mm 6mm