In addition to the function of changing the height of the switch, the switch button cap also has the function of waterproof and dustproof. The internal components can be protected, so that the internal components of the switch will not be damaged, and at the same time it is more convenient to replace. The material of switch button caps is generally divided into plastic and metal. Plastic button caps include POM, PBT, ABS, metal button caps generally include nickel-titanium alloy, aluminum, chromium, stainless steel, etc. We provide customized services to meet your individual needs.