Note: 1、Sleeve:Aluminium, Natural
2、Frame:Steel Strip, Ni Plated
3、Base:Phenolic Resin, Natural
4、Terminal:Brass Strip, Ag Plated Over Ni Plated
5、Contact Clip:Pbs Strip, Ag Plated
6、Spring:Steel Wire, Temper
7、Steel Ball:Steel, Natural
8、Knob:Pom, Black