988 postal key products are offered for sale by suppliers on Alibaba.com, of which lock cylinders accounts for 1%, locks accounts for 1%, and smart locks accounts for 1%.
A wide variety of postal key options are available to you, such as zinc alloy, stainless steel and aluminum.You can also choose from rectangle, postal key,as well as from silver, blue, and brown postal key,And whether postal key is eco-friendly, {2}, or {3}.